Home / 662,655.06-914,439.98-404,963.12

Finding the Fourth Proportional to 662,655.06, 914,439.98 and 404,963.12

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Solution

The fourth proportional to 662,655.06, 914,439.98 and 404,963.12 is: 558,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,655.06 : 914,439.98 = 404,963.12 : x
  2. Step 2: Convert to fraction form
    662,655.06/914,439.98 = 404,963.12/x
  3. Step 3: Cross multiply
    662,655.06x = 914,439.98 × 404,963.12
  4. Step 4: Simplify right side
    662,655.06x = 370,314,470,652.05
  5. Step 5: Solve for x
    x = 370,314,470,652.05/662,655.06
  6. Step 6: Final answer
    x = 558,834.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.