Home / 918,520.02-1,377,857.79-253,672.02

Finding the Fourth Proportional to 918,520.02, 1,377,857.79 and 253,672.02

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Solution

The fourth proportional to 918,520.02, 1,377,857.79 and 253,672.02 is: 380,529.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,520.02 : 1,377,857.79 = 253,672.02 : x
  2. Step 2: Convert to fraction form
    918,520.02/1,377,857.79 = 253,672.02/x
  3. Step 3: Cross multiply
    918,520.02x = 1,377,857.79 × 253,672.02
  4. Step 4: Simplify right side
    918,520.02x = 349,523,968,862.04
  5. Step 5: Solve for x
    x = 349,523,968,862.04/918,520.02
  6. Step 6: Final answer
    x = 380,529.51

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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.