Home / 840,727.03-1,160,231.32-458,774.77

Finding the Fourth Proportional to 840,727.03, 1,160,231.32 and 458,774.77

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Solution

The fourth proportional to 840,727.03, 1,160,231.32 and 458,774.77 is: 633,124.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,727.03 : 1,160,231.32 = 458,774.77 : x
  2. Step 2: Convert to fraction form
    840,727.03/1,160,231.32 = 458,774.77/x
  3. Step 3: Cross multiply
    840,727.03x = 1,160,231.32 × 458,774.77
  4. Step 4: Simplify right side
    840,727.03x = 532,284,856,979.80
  5. Step 5: Solve for x
    x = 532,284,856,979.80/840,727.03
  6. Step 6: Final answer
    x = 633,124.47

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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.