Home / 971,057.76-1,454,664.24-458,020.32

Finding the Fourth Proportional to 971,057.76, 1,454,664.24 and 458,020.32

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Solution

The fourth proportional to 971,057.76, 1,454,664.24 and 458,020.32 is: 686,123.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,057.76 : 1,454,664.24 = 458,020.32 : x
  2. Step 2: Convert to fraction form
    971,057.76/1,454,664.24 = 458,020.32/x
  3. Step 3: Cross multiply
    971,057.76x = 1,454,664.24 × 458,020.32
  4. Step 4: Simplify right side
    971,057.76x = 666,265,780,697.36
  5. Step 5: Solve for x
    x = 666,265,780,697.36/971,057.76
  6. Step 6: Final answer
    x = 686,123.74

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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.