Home / 913,645.27-1,370,748.21-408,631.06

Finding the Fourth Proportional to 913,645.27, 1,370,748.21 and 408,631.06

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Solution

The fourth proportional to 913,645.27, 1,370,748.21 and 408,631.06 is: 613,071.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,645.27 : 1,370,748.21 = 408,631.06 : x
  2. Step 2: Convert to fraction form
    913,645.27/1,370,748.21 = 408,631.06/x
  3. Step 3: Cross multiply
    913,645.27x = 1,370,748.21 × 408,631.06
  4. Step 4: Simplify right side
    913,645.27x = 560,130,294,045.40
  5. Step 5: Solve for x
    x = 560,130,294,045.40/913,645.27
  6. Step 6: Final answer
    x = 613,071.96

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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.