Home / 676,886.31-934,103.28-370,974.83

Finding the Fourth Proportional to 676,886.31, 934,103.28 and 370,974.83

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Solution

The fourth proportional to 676,886.31, 934,103.28 and 370,974.83 is: 511,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,886.31 : 934,103.28 = 370,974.83 : x
  2. Step 2: Convert to fraction form
    676,886.31/934,103.28 = 370,974.83/x
  3. Step 3: Cross multiply
    676,886.31x = 934,103.28 × 370,974.83
  4. Step 4: Simplify right side
    676,886.31x = 346,528,800,829.93
  5. Step 5: Solve for x
    x = 346,528,800,829.93/676,886.31
  6. Step 6: Final answer
    x = 511,945.35

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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.