Home / 918,909.46-1,267,909.23-536,862.43

Finding the Fourth Proportional to 918,909.46, 1,267,909.23 and 536,862.43

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Solution

The fourth proportional to 918,909.46, 1,267,909.23 and 536,862.43 is: 740,761.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,909.46 : 1,267,909.23 = 536,862.43 : x
  2. Step 2: Convert to fraction form
    918,909.46/1,267,909.23 = 536,862.43/x
  3. Step 3: Cross multiply
    918,909.46x = 1,267,909.23 × 536,862.43
  4. Step 4: Simplify right side
    918,909.46x = 680,692,830,237.23
  5. Step 5: Solve for x
    x = 680,692,830,237.23/918,909.46
  6. Step 6: Final answer
    x = 740,761.59

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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.