Home / 867,074.90-1,298,021.05-524,481.53

Finding the Fourth Proportional to 867,074.90, 1,298,021.05 and 524,481.53

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Solution

The fourth proportional to 867,074.90, 1,298,021.05 and 524,481.53 is: 785,154.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,074.90 : 1,298,021.05 = 524,481.53 : x
  2. Step 2: Convert to fraction form
    867,074.90/1,298,021.05 = 524,481.53/x
  3. Step 3: Cross multiply
    867,074.90x = 1,298,021.05 × 524,481.53
  4. Step 4: Simplify right side
    867,074.90x = 680,788,063,653.80
  5. Step 5: Solve for x
    x = 680,788,063,653.80/867,074.90
  6. Step 6: Final answer
    x = 785,154.86

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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.