Home / 728,547.04-1,092,822.61-255,121.68

Finding the Fourth Proportional to 728,547.04, 1,092,822.61 and 255,121.68

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Solution

The fourth proportional to 728,547.04, 1,092,822.61 and 255,121.68 is: 382,683.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,547.04 : 1,092,822.61 = 255,121.68 : x
  2. Step 2: Convert to fraction form
    728,547.04/1,092,822.61 = 255,121.68/x
  3. Step 3: Cross multiply
    728,547.04x = 1,092,822.61 × 255,121.68
  4. Step 4: Simplify right side
    728,547.04x = 278,802,744,861.35
  5. Step 5: Solve for x
    x = 278,802,744,861.35/728,547.04
  6. Step 6: Final answer
    x = 382,683.24

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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.