Home / 803,681.52-1,109,081.88-441,107.76

Finding the Fourth Proportional to 803,681.52, 1,109,081.88 and 441,107.76

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Solution

The fourth proportional to 803,681.52, 1,109,081.88 and 441,107.76 is: 608,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,681.52 : 1,109,081.88 = 441,107.76 : x
  2. Step 2: Convert to fraction form
    803,681.52/1,109,081.88 = 441,107.76/x
  3. Step 3: Cross multiply
    803,681.52x = 1,109,081.88 × 441,107.76
  4. Step 4: Simplify right side
    803,681.52x = 489,224,623,743.39
  5. Step 5: Solve for x
    x = 489,224,623,743.39/803,681.52
  6. Step 6: Final answer
    x = 608,729.47

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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.