Home / 750,424.94-1,035,585.11-406,260.74

Finding the Fourth Proportional to 750,424.94, 1,035,585.11 and 406,260.74

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Solution

The fourth proportional to 750,424.94, 1,035,585.11 and 406,260.74 is: 560,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,424.94 : 1,035,585.11 = 406,260.74 : x
  2. Step 2: Convert to fraction form
    750,424.94/1,035,585.11 = 406,260.74/x
  3. Step 3: Cross multiply
    750,424.94x = 1,035,585.11 × 406,260.74
  4. Step 4: Simplify right side
    750,424.94x = 420,717,565,912.35
  5. Step 5: Solve for x
    x = 420,717,565,912.35/750,424.94
  6. Step 6: Final answer
    x = 560,639.11

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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.