Home / 747,102.80-1,114,827.14-666,587.36

Finding the Fourth Proportional to 747,102.80, 1,114,827.14 and 666,587.36

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Solution

The fourth proportional to 747,102.80, 1,114,827.14 and 666,587.36 is: 994,681.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,102.80 : 1,114,827.14 = 666,587.36 : x
  2. Step 2: Convert to fraction form
    747,102.80/1,114,827.14 = 666,587.36/x
  3. Step 3: Cross multiply
    747,102.80x = 1,114,827.14 × 666,587.36
  4. Step 4: Simplify right side
    747,102.80x = 743,129,680,108.95
  5. Step 5: Solve for x
    x = 743,129,680,108.95/747,102.80
  6. Step 6: Final answer
    x = 994,681.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.