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Finding the Fourth Proportional to 608,780.97, 840,455.60 and 367,124.76

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Solution

The fourth proportional to 608,780.97, 840,455.60 and 367,124.76 is: 506,835.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,780.97 : 840,455.60 = 367,124.76 : x
  2. Step 2: Convert to fraction form
    608,780.97/840,455.60 = 367,124.76/x
  3. Step 3: Cross multiply
    608,780.97x = 840,455.60 × 367,124.76
  4. Step 4: Simplify right side
    608,780.97x = 308,552,058,605.03
  5. Step 5: Solve for x
    x = 308,552,058,605.03/608,780.97
  6. Step 6: Final answer
    x = 506,835.91

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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.