Home / 748,438.40-1,125,422.40-626,787.20

Finding the Fourth Proportional to 748,438.40, 1,125,422.40 and 626,787.20

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Solution

The fourth proportional to 748,438.40, 1,125,422.40 and 626,787.20 is: 942,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,438.40 : 1,125,422.40 = 626,787.20 : x
  2. Step 2: Convert to fraction form
    748,438.40/1,125,422.40 = 626,787.20/x
  3. Step 3: Cross multiply
    748,438.40x = 1,125,422.40 × 626,787.20
  4. Step 4: Simplify right side
    748,438.40x = 705,400,354,913.28
  5. Step 5: Solve for x
    x = 705,400,354,913.28/748,438.40
  6. Step 6: Final answer
    x = 942,496.21

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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.