Home / 702,395.69-1,053,166.86-275,419.95

Finding the Fourth Proportional to 702,395.69, 1,053,166.86 and 275,419.95

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Solution

The fourth proportional to 702,395.69, 1,053,166.86 and 275,419.95 is: 412,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,395.69 : 1,053,166.86 = 275,419.95 : x
  2. Step 2: Convert to fraction form
    702,395.69/1,053,166.86 = 275,419.95/x
  3. Step 3: Cross multiply
    702,395.69x = 1,053,166.86 × 275,419.95
  4. Step 4: Simplify right side
    702,395.69x = 290,063,163,922.86
  5. Step 5: Solve for x
    x = 290,063,163,922.86/702,395.69
  6. Step 6: Final answer
    x = 412,962.62

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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.