Home / 820,927.02-1,231,951.07-288,448.10

Finding the Fourth Proportional to 820,927.02, 1,231,951.07 and 288,448.10

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Solution

The fourth proportional to 820,927.02, 1,231,951.07 and 288,448.10 is: 432,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,927.02 : 1,231,951.07 = 288,448.10 : x
  2. Step 2: Convert to fraction form
    820,927.02/1,231,951.07 = 288,448.10/x
  3. Step 3: Cross multiply
    820,927.02x = 1,231,951.07 × 288,448.10
  4. Step 4: Simplify right side
    820,927.02x = 355,353,937,832.47
  5. Step 5: Solve for x
    x = 355,353,937,832.47/820,927.02
  6. Step 6: Final answer
    x = 432,869.10

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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.