Home / 730,028.80-1,007,340.04-407,697.80

Finding the Fourth Proportional to 730,028.80, 1,007,340.04 and 407,697.80

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Solution

The fourth proportional to 730,028.80, 1,007,340.04 and 407,697.80 is: 562,567.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,028.80 : 1,007,340.04 = 407,697.80 : x
  2. Step 2: Convert to fraction form
    730,028.80/1,007,340.04 = 407,697.80/x
  3. Step 3: Cross multiply
    730,028.80x = 1,007,340.04 × 407,697.80
  4. Step 4: Simplify right side
    730,028.80x = 410,690,318,159.91
  5. Step 5: Solve for x
    x = 410,690,318,159.91/730,028.80
  6. Step 6: Final answer
    x = 562,567.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.