Home / 971,301.90-1,456,515.45-438,548.70

Finding the Fourth Proportional to 971,301.90, 1,456,515.45 and 438,548.70

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Solution

The fourth proportional to 971,301.90, 1,456,515.45 and 438,548.70 is: 657,625.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,301.90 : 1,456,515.45 = 438,548.70 : x
  2. Step 2: Convert to fraction form
    971,301.90/1,456,515.45 = 438,548.70/x
  3. Step 3: Cross multiply
    971,301.90x = 1,456,515.45 × 438,548.70
  4. Step 4: Simplify right side
    971,301.90x = 638,752,957,127.42
  5. Step 5: Solve for x
    x = 638,752,957,127.42/971,301.90
  6. Step 6: Final answer
    x = 657,625.56

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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.