Home / 913,407.30-1,370,312.91-273,685.14

Finding the Fourth Proportional to 913,407.30, 1,370,312.91 and 273,685.14

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Solution

The fourth proportional to 913,407.30, 1,370,312.91 and 273,685.14 is: 410,588.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,407.30 : 1,370,312.91 = 273,685.14 : x
  2. Step 2: Convert to fraction form
    913,407.30/1,370,312.91 = 273,685.14/x
  3. Step 3: Cross multiply
    913,407.30x = 1,370,312.91 × 273,685.14
  4. Step 4: Simplify right side
    913,407.30x = 375,034,280,617.16
  5. Step 5: Solve for x
    x = 375,034,280,617.16/913,407.30
  6. Step 6: Final answer
    x = 410,588.22

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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.