Home / 790,306.61-1,185,459.84-191,267.87

Finding the Fourth Proportional to 790,306.61, 1,185,459.84 and 191,267.87

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Solution

The fourth proportional to 790,306.61, 1,185,459.84 and 191,267.87 is: 286,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,306.61 : 1,185,459.84 = 191,267.87 : x
  2. Step 2: Convert to fraction form
    790,306.61/1,185,459.84 = 191,267.87/x
  3. Step 3: Cross multiply
    790,306.61x = 1,185,459.84 × 191,267.87
  4. Step 4: Simplify right side
    790,306.61x = 226,740,372,640.04
  5. Step 5: Solve for x
    x = 226,740,372,640.04/790,306.61
  6. Step 6: Final answer
    x = 286,901.78

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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.