Home / 957,124.77-1,320,859.98-527,432.64

Finding the Fourth Proportional to 957,124.77, 1,320,859.98 and 527,432.64

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Solution

The fourth proportional to 957,124.77, 1,320,859.98 and 527,432.64 is: 727,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,124.77 : 1,320,859.98 = 527,432.64 : x
  2. Step 2: Convert to fraction form
    957,124.77/1,320,859.98 = 527,432.64/x
  3. Step 3: Cross multiply
    957,124.77x = 1,320,859.98 × 527,432.64
  4. Step 4: Simplify right side
    957,124.77x = 696,664,666,321.75
  5. Step 5: Solve for x
    x = 696,664,666,321.75/957,124.77
  6. Step 6: Final answer
    x = 727,872.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.