Home / 862,190.40-1,189,915.55-475,044.74

Finding the Fourth Proportional to 862,190.40, 1,189,915.55 and 475,044.74

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Solution

The fourth proportional to 862,190.40, 1,189,915.55 and 475,044.74 is: 655,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,190.40 : 1,189,915.55 = 475,044.74 : x
  2. Step 2: Convert to fraction form
    862,190.40/1,189,915.55 = 475,044.74/x
  3. Step 3: Cross multiply
    862,190.40x = 1,189,915.55 × 475,044.74
  4. Step 4: Simplify right side
    862,190.40x = 565,263,117,122.13
  5. Step 5: Solve for x
    x = 565,263,117,122.13/862,190.40
  6. Step 6: Final answer
    x = 655,612.87

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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.