Home / 779,718.60-1,169,966.70-443,017.80

Finding the Fourth Proportional to 779,718.60, 1,169,966.70 and 443,017.80

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Solution

The fourth proportional to 779,718.60, 1,169,966.70 and 443,017.80 is: 664,747.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,718.60 : 1,169,966.70 = 443,017.80 : x
  2. Step 2: Convert to fraction form
    779,718.60/1,169,966.70 = 443,017.80/x
  3. Step 3: Cross multiply
    779,718.60x = 1,169,966.70 × 443,017.80
  4. Step 4: Simplify right side
    779,718.60x = 518,316,073,507.26
  5. Step 5: Solve for x
    x = 518,316,073,507.26/779,718.60
  6. Step 6: Final answer
    x = 664,747.61

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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.