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Finding the Fourth Proportional to 496,822.10, 745,233.15 and 286,870.10

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Solution

The fourth proportional to 496,822.10, 745,233.15 and 286,870.10 is: 430,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,822.10 : 745,233.15 = 286,870.10 : x
  2. Step 2: Convert to fraction form
    496,822.10/745,233.15 = 286,870.10/x
  3. Step 3: Cross multiply
    496,822.10x = 745,233.15 × 286,870.10
  4. Step 4: Simplify right side
    496,822.10x = 213,785,108,263.82
  5. Step 5: Solve for x
    x = 213,785,108,263.82/496,822.10
  6. Step 6: Final answer
    x = 430,305.15

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Similar ratio
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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.