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Finding the Fourth Proportional to 518,030.13, 775,610.13 and 264,765.21

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Solution

The fourth proportional to 518,030.13, 775,610.13 and 264,765.21 is: 396,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,030.13 : 775,610.13 = 264,765.21 : x
  2. Step 2: Convert to fraction form
    518,030.13/775,610.13 = 264,765.21/x
  3. Step 3: Cross multiply
    518,030.13x = 775,610.13 × 264,765.21
  4. Step 4: Simplify right side
    518,030.13x = 205,354,577,031.91
  5. Step 5: Solve for x
    x = 205,354,577,031.91/518,030.13
  6. Step 6: Final answer
    x = 396,414.35

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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.