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Finding the Fourth Proportional to 536,306.04, 740,022.12 and 306,826.88

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Solution

The fourth proportional to 536,306.04, 740,022.12 and 306,826.88 is: 423,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,306.04 : 740,022.12 = 306,826.88 : x
  2. Step 2: Convert to fraction form
    536,306.04/740,022.12 = 306,826.88/x
  3. Step 3: Cross multiply
    536,306.04x = 740,022.12 × 306,826.88
  4. Step 4: Simplify right side
    536,306.04x = 227,058,674,510.48
  5. Step 5: Solve for x
    x = 227,058,674,510.48/536,306.04
  6. Step 6: Final answer
    x = 423,375.20

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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.