Home / 948,931.24-1,423,922.38-388,359.40

Finding the Fourth Proportional to 948,931.24, 1,423,922.38 and 388,359.40

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Solution

The fourth proportional to 948,931.24, 1,423,922.38 and 388,359.40 is: 582,754.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,931.24 : 1,423,922.38 = 388,359.40 : x
  2. Step 2: Convert to fraction form
    948,931.24/1,423,922.38 = 388,359.40/x
  3. Step 3: Cross multiply
    948,931.24x = 1,423,922.38 × 388,359.40
  4. Step 4: Simplify right side
    948,931.24x = 552,993,641,143.37
  5. Step 5: Solve for x
    x = 552,993,641,143.37/948,931.24
  6. Step 6: Final answer
    x = 582,754.17

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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.