Home / 418,034.45-577,126.55-275,209.68

Finding the Fourth Proportional to 418,034.45, 577,126.55 and 275,209.68

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Solution

The fourth proportional to 418,034.45, 577,126.55 and 275,209.68 is: 379,946.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,034.45 : 577,126.55 = 275,209.68 : x
  2. Step 2: Convert to fraction form
    418,034.45/577,126.55 = 275,209.68/x
  3. Step 3: Cross multiply
    418,034.45x = 577,126.55 × 275,209.68
  4. Step 4: Simplify right side
    418,034.45x = 158,830,813,145.00
  5. Step 5: Solve for x
    x = 158,830,813,145.00/418,034.45
  6. Step 6: Final answer
    x = 379,946.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.