Home / 728,624.80-1,092,937.20-462,904.30

Finding the Fourth Proportional to 728,624.80, 1,092,937.20 and 462,904.30

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Solution

The fourth proportional to 728,624.80, 1,092,937.20 and 462,904.30 is: 694,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,624.80 : 1,092,937.20 = 462,904.30 : x
  2. Step 2: Convert to fraction form
    728,624.80/1,092,937.20 = 462,904.30/x
  3. Step 3: Cross multiply
    728,624.80x = 1,092,937.20 × 462,904.30
  4. Step 4: Simplify right side
    728,624.80x = 505,925,329,509.96
  5. Step 5: Solve for x
    x = 505,925,329,509.96/728,624.80
  6. Step 6: Final answer
    x = 694,356.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.