Home / 913,637.92-1,370,548.17-314,519.80

Finding the Fourth Proportional to 913,637.92, 1,370,548.17 and 314,519.80

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Solution

The fourth proportional to 913,637.92, 1,370,548.17 and 314,519.80 is: 471,811.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,637.92 : 1,370,548.17 = 314,519.80 : x
  2. Step 2: Convert to fraction form
    913,637.92/1,370,548.17 = 314,519.80/x
  3. Step 3: Cross multiply
    913,637.92x = 1,370,548.17 × 314,519.80
  4. Step 4: Simplify right side
    913,637.92x = 431,064,536,318.77
  5. Step 5: Solve for x
    x = 431,064,536,318.77/913,637.92
  6. Step 6: Final answer
    x = 471,811.13

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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.