Home / 778,009.80-1,167,014.70-217,044.30

Finding the Fourth Proportional to 778,009.80, 1,167,014.70 and 217,044.30

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Solution

The fourth proportional to 778,009.80, 1,167,014.70 and 217,044.30 is: 325,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,009.80 : 1,167,014.70 = 217,044.30 : x
  2. Step 2: Convert to fraction form
    778,009.80/1,167,014.70 = 217,044.30/x
  3. Step 3: Cross multiply
    778,009.80x = 1,167,014.70 × 217,044.30
  4. Step 4: Simplify right side
    778,009.80x = 253,293,888,651.21
  5. Step 5: Solve for x
    x = 253,293,888,651.21/778,009.80
  6. Step 6: Final answer
    x = 325,566.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.