Home / 730,429.48-1,008,031.62-408,147.40

Finding the Fourth Proportional to 730,429.48, 1,008,031.62 and 408,147.40

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Solution

The fourth proportional to 730,429.48, 1,008,031.62 and 408,147.40 is: 563,265.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,429.48 : 1,008,031.62 = 408,147.40 : x
  2. Step 2: Convert to fraction form
    730,429.48/1,008,031.62 = 408,147.40/x
  3. Step 3: Cross multiply
    730,429.48x = 1,008,031.62 × 408,147.40
  4. Step 4: Simplify right side
    730,429.48x = 411,425,484,820.79
  5. Step 5: Solve for x
    x = 411,425,484,820.79/730,429.48
  6. Step 6: Final answer
    x = 563,265.17

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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.