Home / 807,002.73-1,113,621.12-462,820.91

Finding the Fourth Proportional to 807,002.73, 1,113,621.12 and 462,820.91

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Solution

The fourth proportional to 807,002.73, 1,113,621.12 and 462,820.91 is: 638,668.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,002.73 : 1,113,621.12 = 462,820.91 : x
  2. Step 2: Convert to fraction form
    807,002.73/1,113,621.12 = 462,820.91/x
  3. Step 3: Cross multiply
    807,002.73x = 1,113,621.12 × 462,820.91
  4. Step 4: Simplify right side
    807,002.73x = 515,407,134,585.51
  5. Step 5: Solve for x
    x = 515,407,134,585.51/807,002.73
  6. Step 6: Final answer
    x = 638,668.39

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1.5x scale

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.