Home / 971,405.74-1,456,226.49-339,975.10

Finding the Fourth Proportional to 971,405.74, 1,456,226.49 and 339,975.10

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Solution

The fourth proportional to 971,405.74, 1,456,226.49 and 339,975.10 is: 509,653.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,405.74 : 1,456,226.49 = 339,975.10 : x
  2. Step 2: Convert to fraction form
    971,405.74/1,456,226.49 = 339,975.10/x
  3. Step 3: Cross multiply
    971,405.74x = 1,456,226.49 × 339,975.10
  4. Step 4: Simplify right side
    971,405.74x = 495,080,746,560.40
  5. Step 5: Solve for x
    x = 495,080,746,560.40/971,405.74
  6. Step 6: Final answer
    x = 509,653.92

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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.