Home / 810,386.49-1,215,627.29-304,951.77

Finding the Fourth Proportional to 810,386.49, 1,215,627.29 and 304,951.77

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Solution

The fourth proportional to 810,386.49, 1,215,627.29 and 304,951.77 is: 457,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,386.49 : 1,215,627.29 = 304,951.77 : x
  2. Step 2: Convert to fraction form
    810,386.49/1,215,627.29 = 304,951.77/x
  3. Step 3: Cross multiply
    810,386.49x = 1,215,627.29 × 304,951.77
  4. Step 4: Simplify right side
    810,386.49x = 370,707,692,221.04
  5. Step 5: Solve for x
    x = 370,707,692,221.04/810,386.49
  6. Step 6: Final answer
    x = 457,445.55

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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.