Home / 987,289.03-1,480,933.55-239,335.03

Finding the Fourth Proportional to 987,289.03, 1,480,933.55 and 239,335.03

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Solution

The fourth proportional to 987,289.03, 1,480,933.55 and 239,335.03 is: 359,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,289.03 : 1,480,933.55 = 239,335.03 : x
  2. Step 2: Convert to fraction form
    987,289.03/1,480,933.55 = 239,335.03/x
  3. Step 3: Cross multiply
    987,289.03x = 1,480,933.55 × 239,335.03
  4. Step 4: Simplify right side
    987,289.03x = 354,439,276,720.50
  5. Step 5: Solve for x
    x = 354,439,276,720.50/987,289.03
  6. Step 6: Final answer
    x = 359,002.55

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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.