Home / 957,347.88-1,321,155.48-527,621.80

Finding the Fourth Proportional to 957,347.88, 1,321,155.48 and 527,621.80

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Solution

The fourth proportional to 957,347.88, 1,321,155.48 and 527,621.80 is: 728,126.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,347.88 : 1,321,155.48 = 527,621.80 : x
  2. Step 2: Convert to fraction form
    957,347.88/1,321,155.48 = 527,621.80/x
  3. Step 3: Cross multiply
    957,347.88x = 1,321,155.48 × 527,621.80
  4. Step 4: Simplify right side
    957,347.88x = 697,070,432,437.46
  5. Step 5: Solve for x
    x = 697,070,432,437.46/957,347.88
  6. Step 6: Final answer
    x = 728,126.57

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1.5x scale

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.