Home / 887,535.74-1,224,500.10-505,291.88

Finding the Fourth Proportional to 887,535.74, 1,224,500.10 and 505,291.88

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Solution

The fourth proportional to 887,535.74, 1,224,500.10 and 505,291.88 is: 697,132.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,535.74 : 1,224,500.10 = 505,291.88 : x
  2. Step 2: Convert to fraction form
    887,535.74/1,224,500.10 = 505,291.88/x
  3. Step 3: Cross multiply
    887,535.74x = 1,224,500.10 × 505,291.88
  4. Step 4: Simplify right side
    887,535.74x = 618,729,957,589.19
  5. Step 5: Solve for x
    x = 618,729,957,589.19/887,535.74
  6. Step 6: Final answer
    x = 697,132.44

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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.