Home / 906,009.80-1,359,014.70-433,617.80

Finding the Fourth Proportional to 906,009.80, 1,359,014.70 and 433,617.80

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Solution

The fourth proportional to 906,009.80, 1,359,014.70 and 433,617.80 is: 650,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,009.80 : 1,359,014.70 = 433,617.80 : x
  2. Step 2: Convert to fraction form
    906,009.80/1,359,014.70 = 433,617.80/x
  3. Step 3: Cross multiply
    906,009.80x = 1,359,014.70 × 433,617.80
  4. Step 4: Simplify right side
    906,009.80x = 589,292,964,381.66
  5. Step 5: Solve for x
    x = 589,292,964,381.66/906,009.80
  6. Step 6: Final answer
    x = 650,426.70

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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.