Home / 784,443.57-1,175,631.39-310,870.59

Finding the Fourth Proportional to 784,443.57, 1,175,631.39 and 310,870.59

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Solution

The fourth proportional to 784,443.57, 1,175,631.39 and 310,870.59 is: 465,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,443.57 : 1,175,631.39 = 310,870.59 : x
  2. Step 2: Convert to fraction form
    784,443.57/1,175,631.39 = 310,870.59/x
  3. Step 3: Cross multiply
    784,443.57x = 1,175,631.39 × 310,870.59
  4. Step 4: Simplify right side
    784,443.57x = 365,469,223,831.82
  5. Step 5: Solve for x
    x = 365,469,223,831.82/784,443.57
  6. Step 6: Final answer
    x = 465,896.13

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1.5x scale

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.