Home / 781,283.88-1,171,841.07-248,763.05

Finding the Fourth Proportional to 781,283.88, 1,171,841.07 and 248,763.05

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Solution

The fourth proportional to 781,283.88, 1,171,841.07 and 248,763.05 is: 373,117.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,283.88 : 1,171,841.07 = 248,763.05 : x
  2. Step 2: Convert to fraction form
    781,283.88/1,171,841.07 = 248,763.05/x
  3. Step 3: Cross multiply
    781,283.88x = 1,171,841.07 × 248,763.05
  4. Step 4: Simplify right side
    781,283.88x = 291,510,758,156.52
  5. Step 5: Solve for x
    x = 291,510,758,156.52/781,283.88
  6. Step 6: Final answer
    x = 373,117.59

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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.