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Finding the Fourth Proportional to 574,439.49, 792,700.93 and 329,248.49

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Solution

The fourth proportional to 574,439.49, 792,700.93 and 329,248.49 is: 454,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,439.49 : 792,700.93 = 329,248.49 : x
  2. Step 2: Convert to fraction form
    574,439.49/792,700.93 = 329,248.49/x
  3. Step 3: Cross multiply
    574,439.49x = 792,700.93 × 329,248.49
  4. Step 4: Simplify right side
    574,439.49x = 260,995,579,437.47
  5. Step 5: Solve for x
    x = 260,995,579,437.47/574,439.49
  6. Step 6: Final answer
    x = 454,348.25

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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.