Home / 780,404.74-1,170,718.52-240,706.45

Finding the Fourth Proportional to 780,404.74, 1,170,718.52 and 240,706.45

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Solution

The fourth proportional to 780,404.74, 1,170,718.52 and 240,706.45 is: 361,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,404.74 : 1,170,718.52 = 240,706.45 : x
  2. Step 2: Convert to fraction form
    780,404.74/1,170,718.52 = 240,706.45/x
  3. Step 3: Cross multiply
    780,404.74x = 1,170,718.52 × 240,706.45
  4. Step 4: Simplify right side
    780,404.74x = 281,799,498,898.45
  5. Step 5: Solve for x
    x = 281,799,498,898.45/780,404.74
  6. Step 6: Final answer
    x = 361,094.04

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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.