Home / 987,217.10-1,480,825.54-239,263.10

Finding the Fourth Proportional to 987,217.10, 1,480,825.54 and 239,263.10

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Solution

The fourth proportional to 987,217.10, 1,480,825.54 and 239,263.10 is: 358,894.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,217.10 : 1,480,825.54 = 239,263.10 : x
  2. Step 2: Convert to fraction form
    987,217.10/1,480,825.54 = 239,263.10/x
  3. Step 3: Cross multiply
    987,217.10x = 1,480,825.54 × 239,263.10
  4. Step 4: Simplify right side
    987,217.10x = 354,306,909,259.57
  5. Step 5: Solve for x
    x = 354,306,909,259.57/987,217.10
  6. Step 6: Final answer
    x = 358,894.62

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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.