Home / 921,882.76-1,382,774.84-282,186.82

Finding the Fourth Proportional to 921,882.76, 1,382,774.84 and 282,186.82

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Solution

The fourth proportional to 921,882.76, 1,382,774.84 and 282,186.82 is: 423,265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,882.76 : 1,382,774.84 = 282,186.82 : x
  2. Step 2: Convert to fraction form
    921,882.76/1,382,774.84 = 282,186.82/x
  3. Step 3: Cross multiply
    921,882.76x = 1,382,774.84 × 282,186.82
  4. Step 4: Simplify right side
    921,882.76x = 390,200,840,309.93
  5. Step 5: Solve for x
    x = 390,200,840,309.93/921,882.76
  6. Step 6: Final answer
    x = 423,265.14

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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.