Home / 662,629.24-914,466.84-498,992.80

Finding the Fourth Proportional to 662,629.24, 914,466.84 and 498,992.80

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Solution

The fourth proportional to 662,629.24, 914,466.84 and 498,992.80 is: 688,639.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,629.24 : 914,466.84 = 498,992.80 : x
  2. Step 2: Convert to fraction form
    662,629.24/914,466.84 = 498,992.80/x
  3. Step 3: Cross multiply
    662,629.24x = 914,466.84 × 498,992.80
  4. Step 4: Simplify right side
    662,629.24x = 456,312,368,998.75
  5. Step 5: Solve for x
    x = 456,312,368,998.75/662,629.24
  6. Step 6: Final answer
    x = 688,639.05

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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.