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Finding the Fourth Proportional to 500,456.25, 748,800.99 and 350,988.30

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Solution

The fourth proportional to 500,456.25, 748,800.99 and 350,988.30 is: 525,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,456.25 : 748,800.99 = 350,988.30 : x
  2. Step 2: Convert to fraction form
    500,456.25/748,800.99 = 350,988.30/x
  3. Step 3: Cross multiply
    500,456.25x = 748,800.99 × 350,988.30
  4. Step 4: Simplify right side
    500,456.25x = 262,820,386,518.42
  5. Step 5: Solve for x
    x = 262,820,386,518.42/500,456.25
  6. Step 6: Final answer
    x = 525,161.56

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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.