Home / 814,818.95-1,124,589.30-470,593.01

Finding the Fourth Proportional to 814,818.95, 1,124,589.30 and 470,593.01

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Solution

The fourth proportional to 814,818.95, 1,124,589.30 and 470,593.01 is: 649,498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,818.95 : 1,124,589.30 = 470,593.01 : x
  2. Step 2: Convert to fraction form
    814,818.95/1,124,589.30 = 470,593.01/x
  3. Step 3: Cross multiply
    814,818.95x = 1,124,589.30 × 470,593.01
  4. Step 4: Simplify right side
    814,818.95x = 529,223,858,077.85
  5. Step 5: Solve for x
    x = 529,223,858,077.85/814,818.95
  6. Step 6: Final answer
    x = 649,498.72

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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.