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Finding the Fourth Proportional to 574,897.20, 793,382.04 and 320,248.32

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Solution

The fourth proportional to 574,897.20, 793,382.04 and 320,248.32 is: 441,956.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,897.20 : 793,382.04 = 320,248.32 : x
  2. Step 2: Convert to fraction form
    574,897.20/793,382.04 = 320,248.32/x
  3. Step 3: Cross multiply
    574,897.20x = 793,382.04 × 320,248.32
  4. Step 4: Simplify right side
    574,897.20x = 254,079,265,428.17
  5. Step 5: Solve for x
    x = 254,079,265,428.17/574,897.20
  6. Step 6: Final answer
    x = 441,956.00

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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.