Home / 901,080.18-1,243,481.17-487,607.90

Finding the Fourth Proportional to 901,080.18, 1,243,481.17 and 487,607.90

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Solution

The fourth proportional to 901,080.18, 1,243,481.17 and 487,607.90 is: 672,893.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,080.18 : 1,243,481.17 = 487,607.90 : x
  2. Step 2: Convert to fraction form
    901,080.18/1,243,481.17 = 487,607.90/x
  3. Step 3: Cross multiply
    901,080.18x = 1,243,481.17 × 487,607.90
  4. Step 4: Simplify right side
    901,080.18x = 606,331,239,555.20
  5. Step 5: Solve for x
    x = 606,331,239,555.20/901,080.18
  6. Step 6: Final answer
    x = 672,893.77

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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.