Home / 971,728.56-1,456,222.68-458,846.48

Finding the Fourth Proportional to 971,728.56, 1,456,222.68 and 458,846.48

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Solution

The fourth proportional to 971,728.56, 1,456,222.68 and 458,846.48 is: 687,622.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,728.56 : 1,456,222.68 = 458,846.48 : x
  2. Step 2: Convert to fraction form
    971,728.56/1,456,222.68 = 458,846.48/x
  3. Step 3: Cross multiply
    971,728.56x = 1,456,222.68 × 458,846.48
  4. Step 4: Simplify right side
    971,728.56x = 668,182,650,814.17
  5. Step 5: Solve for x
    x = 668,182,650,814.17/971,728.56
  6. Step 6: Final answer
    x = 687,622.74

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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.