Home / 782,271.46-1,079,497.29-480,407.14

Finding the Fourth Proportional to 782,271.46, 1,079,497.29 and 480,407.14

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Solution

The fourth proportional to 782,271.46, 1,079,497.29 and 480,407.14 is: 662,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,271.46 : 1,079,497.29 = 480,407.14 : x
  2. Step 2: Convert to fraction form
    782,271.46/1,079,497.29 = 480,407.14/x
  3. Step 3: Cross multiply
    782,271.46x = 1,079,497.29 × 480,407.14
  4. Step 4: Simplify right side
    782,271.46x = 518,598,205,726.65
  5. Step 5: Solve for x
    x = 518,598,205,726.65/782,271.46
  6. Step 6: Final answer
    x = 662,938.93

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Double scale
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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.