Home / 726,775.20-1,090,162.80-371,671.20

Finding the Fourth Proportional to 726,775.20, 1,090,162.80 and 371,671.20

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Solution

The fourth proportional to 726,775.20, 1,090,162.80 and 371,671.20 is: 557,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,775.20 : 1,090,162.80 = 371,671.20 : x
  2. Step 2: Convert to fraction form
    726,775.20/1,090,162.80 = 371,671.20/x
  3. Step 3: Cross multiply
    726,775.20x = 1,090,162.80 × 371,671.20
  4. Step 4: Simplify right side
    726,775.20x = 405,182,116,071.36
  5. Step 5: Solve for x
    x = 405,182,116,071.36/726,775.20
  6. Step 6: Final answer
    x = 557,506.80

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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.