Home / 840,727.16-1,160,231.49-458,774.90

Finding the Fourth Proportional to 840,727.16, 1,160,231.49 and 458,774.90

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Solution

The fourth proportional to 840,727.16, 1,160,231.49 and 458,774.90 is: 633,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,727.16 : 1,160,231.49 = 458,774.90 : x
  2. Step 2: Convert to fraction form
    840,727.16/1,160,231.49 = 458,774.90/x
  3. Step 3: Cross multiply
    840,727.16x = 1,160,231.49 × 458,774.90
  4. Step 4: Simplify right side
    840,727.16x = 532,285,085,801.60
  5. Step 5: Solve for x
    x = 532,285,085,801.60/840,727.16
  6. Step 6: Final answer
    x = 633,124.65

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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.