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Finding the Fourth Proportional to 574,507.52, 792,929.28 and 380,572.16

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Solution

The fourth proportional to 574,507.52, 792,929.28 and 380,572.16 is: 525,261.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,507.52 : 792,929.28 = 380,572.16 : x
  2. Step 2: Convert to fraction form
    574,507.52/792,929.28 = 380,572.16/x
  3. Step 3: Cross multiply
    574,507.52x = 792,929.28 × 380,572.16
  4. Step 4: Simplify right side
    574,507.52x = 301,766,808,816.85
  5. Step 5: Solve for x
    x = 301,766,808,816.85/574,507.52
  6. Step 6: Final answer
    x = 525,261.72

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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.