Home / 815,002.16-1,124,502.60-488,367.68

Finding the Fourth Proportional to 815,002.16, 1,124,502.60 and 488,367.68

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Solution

The fourth proportional to 815,002.16, 1,124,502.60 and 488,367.68 is: 673,827.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,002.16 : 1,124,502.60 = 488,367.68 : x
  2. Step 2: Convert to fraction form
    815,002.16/1,124,502.60 = 488,367.68/x
  3. Step 3: Cross multiply
    815,002.16x = 1,124,502.60 × 488,367.68
  4. Step 4: Simplify right side
    815,002.16x = 549,170,725,915.97
  5. Step 5: Solve for x
    x = 549,170,725,915.97/815,002.16
  6. Step 6: Final answer
    x = 673,827.33

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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.