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Finding the Fourth Proportional to 570,294.30, 787,042.67 and 328,572.48

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Solution

The fourth proportional to 570,294.30, 787,042.67 and 328,572.48 is: 453,451.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,294.30 : 787,042.67 = 328,572.48 : x
  2. Step 2: Convert to fraction form
    570,294.30/787,042.67 = 328,572.48/x
  3. Step 3: Cross multiply
    570,294.30x = 787,042.67 × 328,572.48
  4. Step 4: Simplify right side
    570,294.30x = 258,600,560,304.86
  5. Step 5: Solve for x
    x = 258,600,560,304.86/570,294.30
  6. Step 6: Final answer
    x = 453,451.07

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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.