Home / 758,984.54-1,138,309.08-219,123.53

Finding the Fourth Proportional to 758,984.54, 1,138,309.08 and 219,123.53

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Solution

The fourth proportional to 758,984.54, 1,138,309.08 and 219,123.53 is: 328,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,984.54 : 1,138,309.08 = 219,123.53 : x
  2. Step 2: Convert to fraction form
    758,984.54/1,138,309.08 = 219,123.53/x
  3. Step 3: Cross multiply
    758,984.54x = 1,138,309.08 × 219,123.53
  4. Step 4: Simplify right side
    758,984.54x = 249,430,298,149.11
  5. Step 5: Solve for x
    x = 249,430,298,149.11/758,984.54
  6. Step 6: Final answer
    x = 328,636.86

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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.