Home / 814,567.30-1,221,850.95-499,201.90

Finding the Fourth Proportional to 814,567.30, 1,221,850.95 and 499,201.90

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Solution

The fourth proportional to 814,567.30, 1,221,850.95 and 499,201.90 is: 748,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,567.30 : 1,221,850.95 = 499,201.90 : x
  2. Step 2: Convert to fraction form
    814,567.30/1,221,850.95 = 499,201.90/x
  3. Step 3: Cross multiply
    814,567.30x = 1,221,850.95 × 499,201.90
  4. Step 4: Simplify right side
    814,567.30x = 609,950,315,756.81
  5. Step 5: Solve for x
    x = 609,950,315,756.81/814,567.30
  6. Step 6: Final answer
    x = 748,802.85

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1.5x scale

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.