Home / 805,254.16-1,206,995.50-331,681.18

Finding the Fourth Proportional to 805,254.16, 1,206,995.50 and 331,681.18

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Solution

The fourth proportional to 805,254.16, 1,206,995.50 and 331,681.18 is: 497,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,254.16 : 1,206,995.50 = 331,681.18 : x
  2. Step 2: Convert to fraction form
    805,254.16/1,206,995.50 = 331,681.18/x
  3. Step 3: Cross multiply
    805,254.16x = 1,206,995.50 × 331,681.18
  4. Step 4: Simplify right side
    805,254.16x = 400,337,692,287.77
  5. Step 5: Solve for x
    x = 400,337,692,287.77/805,254.16
  6. Step 6: Final answer
    x = 497,156.94

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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.