Home / 761,446.71-1,142,172.70-192,827.66

Finding the Fourth Proportional to 761,446.71, 1,142,172.70 and 192,827.66

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Solution

The fourth proportional to 761,446.71, 1,142,172.70 and 192,827.66 is: 289,242.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,446.71 : 1,142,172.70 = 192,827.66 : x
  2. Step 2: Convert to fraction form
    761,446.71/1,142,172.70 = 192,827.66/x
  3. Step 3: Cross multiply
    761,446.71x = 1,142,172.70 × 192,827.66
  4. Step 4: Simplify right side
    761,446.71x = 220,242,482,863.95
  5. Step 5: Solve for x
    x = 220,242,482,863.95/761,446.71
  6. Step 6: Final answer
    x = 289,242.15

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1.5x scale

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.