Home / 744,884.61-1,117,332.59-212,405.19

Finding the Fourth Proportional to 744,884.61, 1,117,332.59 and 212,405.19

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Solution

The fourth proportional to 744,884.61, 1,117,332.59 and 212,405.19 is: 318,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,884.61 : 1,117,332.59 = 212,405.19 : x
  2. Step 2: Convert to fraction form
    744,884.61/1,117,332.59 = 212,405.19/x
  3. Step 3: Cross multiply
    744,884.61x = 1,117,332.59 × 212,405.19
  4. Step 4: Simplify right side
    744,884.61x = 237,327,240,010.12
  5. Step 5: Solve for x
    x = 237,327,240,010.12/744,884.61
  6. Step 6: Final answer
    x = 318,609.40

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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.