Home / 958,921.20-1,437,863.40-398,012.40

Finding the Fourth Proportional to 958,921.20, 1,437,863.40 and 398,012.40

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Solution

The fourth proportional to 958,921.20, 1,437,863.40 and 398,012.40 is: 596,803.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,921.20 : 1,437,863.40 = 398,012.40 : x
  2. Step 2: Convert to fraction form
    958,921.20/1,437,863.40 = 398,012.40/x
  3. Step 3: Cross multiply
    958,921.20x = 1,437,863.40 × 398,012.40
  4. Step 4: Simplify right side
    958,921.20x = 572,287,462,706.16
  5. Step 5: Solve for x
    x = 572,287,462,706.16/958,921.20
  6. Step 6: Final answer
    x = 596,803.43

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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.