Home / 814,868.07-1,124,518.65-488,370.72

Finding the Fourth Proportional to 814,868.07, 1,124,518.65 and 488,370.72

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Solution

The fourth proportional to 814,868.07, 1,124,518.65 and 488,370.72 is: 673,952.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,868.07 : 1,124,518.65 = 488,370.72 : x
  2. Step 2: Convert to fraction form
    814,868.07/1,124,518.65 = 488,370.72/x
  3. Step 3: Cross multiply
    814,868.07x = 1,124,518.65 × 488,370.72
  4. Step 4: Simplify right side
    814,868.07x = 549,181,982,753.93
  5. Step 5: Solve for x
    x = 549,181,982,753.93/814,868.07
  6. Step 6: Final answer
    x = 673,952.02

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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.