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Finding the Fourth Proportional to 875,365.71, 1,208,013.88 and 493,392.49

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Solution

The fourth proportional to 875,365.71, 1,208,013.88 and 493,392.49 is: 680,886.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,365.71 : 1,208,013.88 = 493,392.49 : x
  2. Step 2: Convert to fraction form
    875,365.71/1,208,013.88 = 493,392.49/x
  3. Step 3: Cross multiply
    875,365.71x = 1,208,013.88 × 493,392.49
  4. Step 4: Simplify right side
    875,365.71x = 596,024,976,207.76
  5. Step 5: Solve for x
    x = 596,024,976,207.76/875,365.71
  6. Step 6: Final answer
    x = 680,886.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.