Home / 691,160.20-1,036,740.30-292,251.40

Finding the Fourth Proportional to 691,160.20, 1,036,740.30 and 292,251.40

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Solution

The fourth proportional to 691,160.20, 1,036,740.30 and 292,251.40 is: 438,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,160.20 : 1,036,740.30 = 292,251.40 : x
  2. Step 2: Convert to fraction form
    691,160.20/1,036,740.30 = 292,251.40/x
  3. Step 3: Cross multiply
    691,160.20x = 1,036,740.30 × 292,251.40
  4. Step 4: Simplify right side
    691,160.20x = 302,988,804,111.42
  5. Step 5: Solve for x
    x = 302,988,804,111.42/691,160.20
  6. Step 6: Final answer
    x = 438,377.10

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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.