Home / 887,704.80-1,224,875.16-525,143.94

Finding the Fourth Proportional to 887,704.80, 1,224,875.16 and 525,143.94

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Solution

The fourth proportional to 887,704.80, 1,224,875.16 and 525,143.94 is: 724,605.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,704.80 : 1,224,875.16 = 525,143.94 : x
  2. Step 2: Convert to fraction form
    887,704.80/1,224,875.16 = 525,143.94/x
  3. Step 3: Cross multiply
    887,704.80x = 1,224,875.16 × 525,143.94
  4. Step 4: Simplify right side
    887,704.80x = 643,235,767,530.53
  5. Step 5: Solve for x
    x = 643,235,767,530.53/887,704.80
  6. Step 6: Final answer
    x = 724,605.49

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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.