Home / 976,727.04-1,462,602.24-643,292.16

Finding the Fourth Proportional to 976,727.04, 1,462,602.24 and 643,292.16

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Solution

The fourth proportional to 976,727.04, 1,462,602.24 and 643,292.16 is: 963,299.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,727.04 : 1,462,602.24 = 643,292.16 : x
  2. Step 2: Convert to fraction form
    976,727.04/1,462,602.24 = 643,292.16/x
  3. Step 3: Cross multiply
    976,727.04x = 1,462,602.24 × 643,292.16
  4. Step 4: Simplify right side
    976,727.04x = 940,880,554,190.44
  5. Step 5: Solve for x
    x = 940,880,554,190.44/976,727.04
  6. Step 6: Final answer
    x = 963,299.38

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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.