Home / 921,932.24-1,383,101.45-282,240.82

Finding the Fourth Proportional to 921,932.24, 1,383,101.45 and 282,240.82

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Solution

The fourth proportional to 921,932.24, 1,383,101.45 and 282,240.82 is: 423,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,932.24 : 1,383,101.45 = 282,240.82 : x
  2. Step 2: Convert to fraction form
    921,932.24/1,383,101.45 = 282,240.82/x
  3. Step 3: Cross multiply
    921,932.24x = 1,383,101.45 × 282,240.82
  4. Step 4: Simplify right side
    921,932.24x = 390,367,679,064.48
  5. Step 5: Solve for x
    x = 390,367,679,064.48/921,932.24
  6. Step 6: Final answer
    x = 423,423.40

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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.