Home / 767,680.90-1,152,519.17-590,312.43

Finding the Fourth Proportional to 767,680.90, 1,152,519.17 and 590,312.43

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Solution

The fourth proportional to 767,680.90, 1,152,519.17 and 590,312.43 is: 886,235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,680.90 : 1,152,519.17 = 590,312.43 : x
  2. Step 2: Convert to fraction form
    767,680.90/1,152,519.17 = 590,312.43/x
  3. Step 3: Cross multiply
    767,680.90x = 1,152,519.17 × 590,312.43
  4. Step 4: Simplify right side
    767,680.90x = 680,346,388,912.72
  5. Step 5: Solve for x
    x = 680,346,388,912.72/767,680.90
  6. Step 6: Final answer
    x = 886,235.92

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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.