Home / 976,721.92-1,466,030.72-471,640.32

Finding the Fourth Proportional to 976,721.92, 1,466,030.72 and 471,640.32

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Solution

The fourth proportional to 976,721.92, 1,466,030.72 and 471,640.32 is: 707,918.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,721.92 : 1,466,030.72 = 471,640.32 : x
  2. Step 2: Convert to fraction form
    976,721.92/1,466,030.72 = 471,640.32/x
  3. Step 3: Cross multiply
    976,721.92x = 1,466,030.72 × 471,640.32
  4. Step 4: Simplify right side
    976,721.92x = 691,439,197,910.63
  5. Step 5: Solve for x
    x = 691,439,197,910.63/976,721.92
  6. Step 6: Final answer
    x = 707,918.17

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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.