Home / 817,169.49-1,127,233.13-490,398.93

Finding the Fourth Proportional to 817,169.49, 1,127,233.13 and 490,398.93

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Solution

The fourth proportional to 817,169.49, 1,127,233.13 and 490,398.93 is: 676,474.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,169.49 : 1,127,233.13 = 490,398.93 : x
  2. Step 2: Convert to fraction form
    817,169.49/1,127,233.13 = 490,398.93/x
  3. Step 3: Cross multiply
    817,169.49x = 1,127,233.13 × 490,398.93
  4. Step 4: Simplify right side
    817,169.49x = 552,793,918,360.56
  5. Step 5: Solve for x
    x = 552,793,918,360.56/817,169.49
  6. Step 6: Final answer
    x = 676,474.01

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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.