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Finding the Fourth Proportional to 577,702.76, 797,214.89 and 319,572.98

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Solution

The fourth proportional to 577,702.76, 797,214.89 and 319,572.98 is: 441,002.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,702.76 : 797,214.89 = 319,572.98 : x
  2. Step 2: Convert to fraction form
    577,702.76/797,214.89 = 319,572.98/x
  3. Step 3: Cross multiply
    577,702.76x = 797,214.89 × 319,572.98
  4. Step 4: Simplify right side
    577,702.76x = 254,768,332,513.73
  5. Step 5: Solve for x
    x = 254,768,332,513.73/577,702.76
  6. Step 6: Final answer
    x = 441,002.45

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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.