Home / 840,822.64-1,160,359.90-458,873.98

Finding the Fourth Proportional to 840,822.64, 1,160,359.90 and 458,873.98

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Solution

The fourth proportional to 840,822.64, 1,160,359.90 and 458,873.98 is: 633,259.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,822.64 : 1,160,359.90 = 458,873.98 : x
  2. Step 2: Convert to fraction form
    840,822.64/1,160,359.90 = 458,873.98/x
  3. Step 3: Cross multiply
    840,822.64x = 1,160,359.90 × 458,873.98
  4. Step 4: Simplify right side
    840,822.64x = 532,458,965,545.40
  5. Step 5: Solve for x
    x = 532,458,965,545.40/840,822.64
  6. Step 6: Final answer
    x = 633,259.55

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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.