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Finding the Fourth Proportional to 662,756.80, 914,614.80 and 360,950.56

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Solution

The fourth proportional to 662,756.80, 914,614.80 and 360,950.56 is: 498,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,756.80 : 914,614.80 = 360,950.56 : x
  2. Step 2: Convert to fraction form
    662,756.80/914,614.80 = 360,950.56/x
  3. Step 3: Cross multiply
    662,756.80x = 914,614.80 × 360,950.56
  4. Step 4: Simplify right side
    662,756.80x = 330,130,724,244.29
  5. Step 5: Solve for x
    x = 330,130,724,244.29/662,756.80
  6. Step 6: Final answer
    x = 498,117.45

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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.