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Finding the Fourth Proportional to 523,051.60, 719,545.96 and 458,228.88

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Solution

The fourth proportional to 523,051.60, 719,545.96 and 458,228.88 is: 630,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,051.60 : 719,545.96 = 458,228.88 : x
  2. Step 2: Convert to fraction form
    523,051.60/719,545.96 = 458,228.88/x
  3. Step 3: Cross multiply
    523,051.60x = 719,545.96 × 458,228.88
  4. Step 4: Simplify right side
    523,051.60x = 329,716,739,359.33
  5. Step 5: Solve for x
    x = 329,716,739,359.33/523,051.60
  6. Step 6: Final answer
    x = 630,371.34

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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.