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Finding the Fourth Proportional to 773,210.24, 1,066,978.86 and 429,024.35

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Solution

The fourth proportional to 773,210.24, 1,066,978.86 and 429,024.35 is: 592,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,210.24 : 1,066,978.86 = 429,024.35 : x
  2. Step 2: Convert to fraction form
    773,210.24/1,066,978.86 = 429,024.35/x
  3. Step 3: Cross multiply
    773,210.24x = 1,066,978.86 × 429,024.35
  4. Step 4: Simplify right side
    773,210.24x = 457,759,909,345.35
  5. Step 5: Solve for x
    x = 457,759,909,345.35/773,210.24
  6. Step 6: Final answer
    x = 592,025.15

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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.