Home / 914,009.80-1,371,014.70-240,046.60

Finding the Fourth Proportional to 914,009.80, 1,371,014.70 and 240,046.60

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Solution

The fourth proportional to 914,009.80, 1,371,014.70 and 240,046.60 is: 360,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,009.80 : 1,371,014.70 = 240,046.60 : x
  2. Step 2: Convert to fraction form
    914,009.80/1,371,014.70 = 240,046.60/x
  3. Step 3: Cross multiply
    914,009.80x = 1,371,014.70 × 240,046.60
  4. Step 4: Simplify right side
    914,009.80x = 329,107,417,285.02
  5. Step 5: Solve for x
    x = 329,107,417,285.02/914,009.80
  6. Step 6: Final answer
    x = 360,069.90

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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.