Home / 971,726.83-1,456,220.12-458,844.75

Finding the Fourth Proportional to 971,726.83, 1,456,220.12 and 458,844.75

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Solution

The fourth proportional to 971,726.83, 1,456,220.12 and 458,844.75 is: 687,620.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,726.83 : 1,456,220.12 = 458,844.75 : x
  2. Step 2: Convert to fraction form
    971,726.83/1,456,220.12 = 458,844.75/x
  3. Step 3: Cross multiply
    971,726.83x = 1,456,220.12 × 458,844.75
  4. Step 4: Simplify right side
    971,726.83x = 668,178,954,612.15
  5. Step 5: Solve for x
    x = 668,178,954,612.15/971,726.83
  6. Step 6: Final answer
    x = 687,620.16

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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.