Home / 790,597.76-1,091,023.52-428,021.52

Finding the Fourth Proportional to 790,597.76, 1,091,023.52 and 428,021.52

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Solution

The fourth proportional to 790,597.76, 1,091,023.52 and 428,021.52 is: 590,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,597.76 : 1,091,023.52 = 428,021.52 : x
  2. Step 2: Convert to fraction form
    790,597.76/1,091,023.52 = 428,021.52/x
  3. Step 3: Cross multiply
    790,597.76x = 1,091,023.52 × 428,021.52
  4. Step 4: Simplify right side
    790,597.76x = 466,981,545,386.15
  5. Step 5: Solve for x
    x = 466,981,545,386.15/790,597.76
  6. Step 6: Final answer
    x = 590,668.95

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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.