Home / 971,405.13-1,456,225.56-339,974.49

Finding the Fourth Proportional to 971,405.13, 1,456,225.56 and 339,974.49

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Solution

The fourth proportional to 971,405.13, 1,456,225.56 and 339,974.49 is: 509,653.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,405.13 : 1,456,225.56 = 339,974.49 : x
  2. Step 2: Convert to fraction form
    971,405.13/1,456,225.56 = 339,974.49/x
  3. Step 3: Cross multiply
    971,405.13x = 1,456,225.56 × 339,974.49
  4. Step 4: Simplify right side
    971,405.13x = 495,079,542,085.96
  5. Step 5: Solve for x
    x = 495,079,542,085.96/971,405.13
  6. Step 6: Final answer
    x = 509,653.00

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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.