Home / 971,405.38-1,456,225.93-339,974.74

Finding the Fourth Proportional to 971,405.38, 1,456,225.93 and 339,974.74

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Solution

The fourth proportional to 971,405.38, 1,456,225.93 and 339,974.74 is: 509,653.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,405.38 : 1,456,225.93 = 339,974.74 : x
  2. Step 2: Convert to fraction form
    971,405.38/1,456,225.93 = 339,974.74/x
  3. Step 3: Cross multiply
    971,405.38x = 1,456,225.93 × 339,974.74
  4. Step 4: Simplify right side
    971,405.38x = 495,080,031,933.01
  5. Step 5: Solve for x
    x = 495,080,031,933.01/971,405.38
  6. Step 6: Final answer
    x = 509,653.38

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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.