Home / 840,737.06-1,160,245.12-458,784.80

Finding the Fourth Proportional to 840,737.06, 1,160,245.12 and 458,784.80

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Solution

The fourth proportional to 840,737.06, 1,160,245.12 and 458,784.80 is: 633,138.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,737.06 : 1,160,245.12 = 458,784.80 : x
  2. Step 2: Convert to fraction form
    840,737.06/1,160,245.12 = 458,784.80/x
  3. Step 3: Cross multiply
    840,737.06x = 1,160,245.12 × 458,784.80
  4. Step 4: Simplify right side
    840,737.06x = 532,302,825,330.18
  5. Step 5: Solve for x
    x = 532,302,825,330.18/840,737.06
  6. Step 6: Final answer
    x = 633,138.29

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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.