Home / 744,853.57-1,117,290.76-212,374.81

Finding the Fourth Proportional to 744,853.57, 1,117,290.76 and 212,374.81

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Solution

The fourth proportional to 744,853.57, 1,117,290.76 and 212,374.81 is: 318,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,853.57 : 1,117,290.76 = 212,374.81 : x
  2. Step 2: Convert to fraction form
    744,853.57/1,117,290.76 = 212,374.81/x
  3. Step 3: Cross multiply
    744,853.57x = 1,117,290.76 × 212,374.81
  4. Step 4: Simplify right side
    744,853.57x = 237,284,414,930.04
  5. Step 5: Solve for x
    x = 237,284,414,930.04/744,853.57
  6. Step 6: Final answer
    x = 318,565.18

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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.