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Finding the Fourth Proportional to 510,089.12, 703,445.10 and 316,528.24

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Solution

The fourth proportional to 510,089.12, 703,445.10 and 316,528.24 is: 436,512.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,089.12 : 703,445.10 = 316,528.24 : x
  2. Step 2: Convert to fraction form
    510,089.12/703,445.10 = 316,528.24/x
  3. Step 3: Cross multiply
    510,089.12x = 703,445.10 × 316,528.24
  4. Step 4: Simplify right side
    510,089.12x = 222,660,235,922.40
  5. Step 5: Solve for x
    x = 222,660,235,922.40/510,089.12
  6. Step 6: Final answer
    x = 436,512.42

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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.