Home / 728,459.52-1,005,051.04-422,473.92

Finding the Fourth Proportional to 728,459.52, 1,005,051.04 and 422,473.92

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Solution

The fourth proportional to 728,459.52, 1,005,051.04 and 422,473.92 is: 582,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,459.52 : 1,005,051.04 = 422,473.92 : x
  2. Step 2: Convert to fraction form
    728,459.52/1,005,051.04 = 422,473.92/x
  3. Step 3: Cross multiply
    728,459.52x = 1,005,051.04 × 422,473.92
  4. Step 4: Simplify right side
    728,459.52x = 424,607,852,668.88
  5. Step 5: Solve for x
    x = 424,607,852,668.88/728,459.52
  6. Step 6: Final answer
    x = 582,884.62

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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.