Home / 719,433.40-1,079,150.10-688,718.20

Finding the Fourth Proportional to 719,433.40, 1,079,150.10 and 688,718.20

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Solution

The fourth proportional to 719,433.40, 1,079,150.10 and 688,718.20 is: 1,033,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,433.40 : 1,079,150.10 = 688,718.20 : x
  2. Step 2: Convert to fraction form
    719,433.40/1,079,150.10 = 688,718.20/x
  3. Step 3: Cross multiply
    719,433.40x = 1,079,150.10 × 688,718.20
  4. Step 4: Simplify right side
    719,433.40x = 743,230,314,401.82
  5. Step 5: Solve for x
    x = 743,230,314,401.82/719,433.40
  6. Step 6: Final answer
    x = 1,033,077.30

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Similar ratio
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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.