Home / 971,726.56-1,456,219.69-458,844.48

Finding the Fourth Proportional to 971,726.56, 1,456,219.69 and 458,844.48

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Solution

The fourth proportional to 971,726.56, 1,456,219.69 and 458,844.48 is: 687,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,726.56 : 1,456,219.69 = 458,844.48 : x
  2. Step 2: Convert to fraction form
    971,726.56/1,456,219.69 = 458,844.48/x
  3. Step 3: Cross multiply
    971,726.56x = 1,456,219.69 × 458,844.48
  4. Step 4: Simplify right side
    971,726.56x = 668,178,365,276.70
  5. Step 5: Solve for x
    x = 668,178,365,276.70/971,726.56
  6. Step 6: Final answer
    x = 687,619.74

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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.