Home / 974,961.12-1,462,143.70-343,727.31

Finding the Fourth Proportional to 974,961.12, 1,462,143.70 and 343,727.31

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Solution

The fourth proportional to 974,961.12, 1,462,143.70 and 343,727.31 is: 515,485.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,961.12 : 1,462,143.70 = 343,727.31 : x
  2. Step 2: Convert to fraction form
    974,961.12/1,462,143.70 = 343,727.31/x
  3. Step 3: Cross multiply
    974,961.12x = 1,462,143.70 × 343,727.31
  4. Step 4: Simplify right side
    974,961.12x = 502,578,720,834.45
  5. Step 5: Solve for x
    x = 502,578,720,834.45/974,961.12
  6. Step 6: Final answer
    x = 515,485.91

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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.