Home / 542,106.18-748,117.35-315,766.26

Finding the Fourth Proportional to 542,106.18, 748,117.35 and 315,766.26

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Solution

The fourth proportional to 542,106.18, 748,117.35 and 315,766.26 is: 435,763.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,106.18 : 748,117.35 = 315,766.26 : x
  2. Step 2: Convert to fraction form
    542,106.18/748,117.35 = 315,766.26/x
  3. Step 3: Cross multiply
    542,106.18x = 748,117.35 × 315,766.26
  4. Step 4: Simplify right side
    542,106.18x = 236,230,217,650.61
  5. Step 5: Solve for x
    x = 236,230,217,650.61/542,106.18
  6. Step 6: Final answer
    x = 435,763.74

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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.