Home / 869,768.20-1,304,652.30-514,599.40

Finding the Fourth Proportional to 869,768.20, 1,304,652.30 and 514,599.40

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Solution

The fourth proportional to 869,768.20, 1,304,652.30 and 514,599.40 is: 771,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,768.20 : 1,304,652.30 = 514,599.40 : x
  2. Step 2: Convert to fraction form
    869,768.20/1,304,652.30 = 514,599.40/x
  3. Step 3: Cross multiply
    869,768.20x = 1,304,652.30 × 514,599.40
  4. Step 4: Simplify right side
    869,768.20x = 671,373,290,788.62
  5. Step 5: Solve for x
    x = 671,373,290,788.62/869,768.20
  6. Step 6: Final answer
    x = 771,899.10

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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.