Home / 688,508.10-1,030,793.85-617,649.30

Finding the Fourth Proportional to 688,508.10, 1,030,793.85 and 617,649.30

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Solution

The fourth proportional to 688,508.10, 1,030,793.85 and 617,649.30 is: 924,708.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,508.10 : 1,030,793.85 = 617,649.30 : x
  2. Step 2: Convert to fraction form
    688,508.10/1,030,793.85 = 617,649.30/x
  3. Step 3: Cross multiply
    688,508.10x = 1,030,793.85 × 617,649.30
  4. Step 4: Simplify right side
    688,508.10x = 636,669,099,896.81
  5. Step 5: Solve for x
    x = 636,669,099,896.81/688,508.10
  6. Step 6: Final answer
    x = 924,708.22

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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.