Home / 987,678.52-1,481,506.97-239,724.52

Finding the Fourth Proportional to 987,678.52, 1,481,506.97 and 239,724.52

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Solution

The fourth proportional to 987,678.52, 1,481,506.97 and 239,724.52 is: 359,584.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,678.52 : 1,481,506.97 = 239,724.52 : x
  2. Step 2: Convert to fraction form
    987,678.52/1,481,506.97 = 239,724.52/x
  3. Step 3: Cross multiply
    987,678.52x = 1,481,506.97 × 239,724.52
  4. Step 4: Simplify right side
    987,678.52x = 355,153,547,259.90
  5. Step 5: Solve for x
    x = 355,153,547,259.90/987,678.52
  6. Step 6: Final answer
    x = 359,584.16

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1.5x scale

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.