Home / 853,973.76-1,178,488.46-466,789.71

Finding the Fourth Proportional to 853,973.76, 1,178,488.46 and 466,789.71

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Solution

The fourth proportional to 853,973.76, 1,178,488.46 and 466,789.71 is: 644,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,973.76 : 1,178,488.46 = 466,789.71 : x
  2. Step 2: Convert to fraction form
    853,973.76/1,178,488.46 = 466,789.71/x
  3. Step 3: Cross multiply
    853,973.76x = 1,178,488.46 × 466,789.71
  4. Step 4: Simplify right side
    853,973.76x = 550,106,278,255.36
  5. Step 5: Solve for x
    x = 550,106,278,255.36/853,973.76
  6. Step 6: Final answer
    x = 644,172.35

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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.