Home / 987,208.20-1,480,812.34-239,254.20

Finding the Fourth Proportional to 987,208.20, 1,480,812.34 and 239,254.20

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Solution

The fourth proportional to 987,208.20, 1,480,812.34 and 239,254.20 is: 358,881.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,208.20 : 1,480,812.34 = 239,254.20 : x
  2. Step 2: Convert to fraction form
    987,208.20/1,480,812.34 = 239,254.20/x
  3. Step 3: Cross multiply
    987,208.20x = 1,480,812.34 × 239,254.20
  4. Step 4: Simplify right side
    987,208.20x = 354,290,571,756.83
  5. Step 5: Solve for x
    x = 354,290,571,756.83/987,208.20
  6. Step 6: Final answer
    x = 358,881.31

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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.