Home / 720,417.06-1,080,812.24-383,180.13

Finding the Fourth Proportional to 720,417.06, 1,080,812.24 and 383,180.13

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Solution

The fourth proportional to 720,417.06, 1,080,812.24 and 383,180.13 is: 574,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,417.06 : 1,080,812.24 = 383,180.13 : x
  2. Step 2: Convert to fraction form
    720,417.06/1,080,812.24 = 383,180.13/x
  3. Step 3: Cross multiply
    720,417.06x = 1,080,812.24 × 383,180.13
  4. Step 4: Simplify right side
    720,417.06x = 414,145,774,149.82
  5. Step 5: Solve for x
    x = 414,145,774,149.82/720,417.06
  6. Step 6: Final answer
    x = 574,869.47

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Double scale
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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.