Home / 688,575.30-1,030,530.15-688,575.30

Finding the Fourth Proportional to 688,575.30, 1,030,530.15 and 688,575.30

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Solution

The fourth proportional to 688,575.30, 1,030,530.15 and 688,575.30 is: 1,030,530.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,575.30 : 1,030,530.15 = 688,575.30 : x
  2. Step 2: Convert to fraction form
    688,575.30/1,030,530.15 = 688,575.30/x
  3. Step 3: Cross multiply
    688,575.30x = 1,030,530.15 × 688,575.30
  4. Step 4: Simplify right side
    688,575.30x = 709,597,607,195.30
  5. Step 5: Solve for x
    x = 709,597,607,195.30/688,575.30
  6. Step 6: Final answer
    x = 1,030,530.15

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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.