Home / 688,504.10-1,032,756.15-674,507.30

Finding the Fourth Proportional to 688,504.10, 1,032,756.15 and 674,507.30

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Solution

The fourth proportional to 688,504.10, 1,032,756.15 and 674,507.30 is: 1,011,760.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,504.10 : 1,032,756.15 = 674,507.30 : x
  2. Step 2: Convert to fraction form
    688,504.10/1,032,756.15 = 674,507.30/x
  3. Step 3: Cross multiply
    688,504.10x = 1,032,756.15 × 674,507.30
  4. Step 4: Simplify right side
    688,504.10x = 696,601,562,294.90
  5. Step 5: Solve for x
    x = 696,601,562,294.90/688,504.10
  6. Step 6: Final answer
    x = 1,011,760.95

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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.