Home / 758,240.10-1,137,797.14-421,252.29

Finding the Fourth Proportional to 758,240.10, 1,137,797.14 and 421,252.29

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Solution

The fourth proportional to 758,240.10, 1,137,797.14 and 421,252.29 is: 632,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,240.10 : 1,137,797.14 = 421,252.29 : x
  2. Step 2: Convert to fraction form
    758,240.10/1,137,797.14 = 421,252.29/x
  3. Step 3: Cross multiply
    758,240.10x = 1,137,797.14 × 421,252.29
  4. Step 4: Simplify right side
    758,240.10x = 479,299,650,780.45
  5. Step 5: Solve for x
    x = 479,299,650,780.45/758,240.10
  6. Step 6: Final answer
    x = 632,121.21

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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.