Home / 761,480.10-1,142,222.76-192,860.91

Finding the Fourth Proportional to 761,480.10, 1,142,222.76 and 192,860.91

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Solution

The fourth proportional to 761,480.10, 1,142,222.76 and 192,860.91 is: 289,292.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,480.10 : 1,142,222.76 = 192,860.91 : x
  2. Step 2: Convert to fraction form
    761,480.10/1,142,222.76 = 192,860.91/x
  3. Step 3: Cross multiply
    761,480.10x = 1,142,222.76 × 192,860.91
  4. Step 4: Simplify right side
    761,480.10x = 220,290,120,916.31
  5. Step 5: Solve for x
    x = 220,290,120,916.31/761,480.10
  6. Step 6: Final answer
    x = 289,292.03

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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.