Home / 987,225.20-1,480,837.79-239,271.20

Finding the Fourth Proportional to 987,225.20, 1,480,837.79 and 239,271.20

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Solution

The fourth proportional to 987,225.20, 1,480,837.79 and 239,271.20 is: 358,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,225.20 : 1,480,837.79 = 239,271.20 : x
  2. Step 2: Convert to fraction form
    987,225.20/1,480,837.79 = 239,271.20/x
  3. Step 3: Cross multiply
    987,225.20x = 1,480,837.79 × 239,271.20
  4. Step 4: Simplify right side
    987,225.20x = 354,321,835,018.65
  5. Step 5: Solve for x
    x = 354,321,835,018.65/987,225.20
  6. Step 6: Final answer
    x = 358,906.80

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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.