Home / 891,078.16-1,336,894.36-292,044.56

Finding the Fourth Proportional to 891,078.16, 1,336,894.36 and 292,044.56

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Solution

The fourth proportional to 891,078.16, 1,336,894.36 and 292,044.56 is: 438,157.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,078.16 : 1,336,894.36 = 292,044.56 : x
  2. Step 2: Convert to fraction form
    891,078.16/1,336,894.36 = 292,044.56/x
  3. Step 3: Cross multiply
    891,078.16x = 1,336,894.36 × 292,044.56
  4. Step 4: Simplify right side
    891,078.16x = 390,432,725,132.68
  5. Step 5: Solve for x
    x = 390,432,725,132.68/891,078.16
  6. Step 6: Final answer
    x = 438,157.66

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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.