Home / 891,702.40-1,230,549.24-509,737.72

Finding the Fourth Proportional to 891,702.40, 1,230,549.24 and 509,737.72

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Solution

The fourth proportional to 891,702.40, 1,230,549.24 and 509,737.72 is: 703,438.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,702.40 : 1,230,549.24 = 509,737.72 : x
  2. Step 2: Convert to fraction form
    891,702.40/1,230,549.24 = 509,737.72/x
  3. Step 3: Cross multiply
    891,702.40x = 1,230,549.24 × 509,737.72
  4. Step 4: Simplify right side
    891,702.40x = 627,257,363,945.33
  5. Step 5: Solve for x
    x = 627,257,363,945.33/891,702.40
  6. Step 6: Final answer
    x = 703,438.01

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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.