Home / 903,606.42-1,246,993.28-495,729.10

Finding the Fourth Proportional to 903,606.42, 1,246,993.28 and 495,729.10

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Solution

The fourth proportional to 903,606.42, 1,246,993.28 and 495,729.10 is: 684,115.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,606.42 : 1,246,993.28 = 495,729.10 : x
  2. Step 2: Convert to fraction form
    903,606.42/1,246,993.28 = 495,729.10/x
  3. Step 3: Cross multiply
    903,606.42x = 1,246,993.28 × 495,729.10
  4. Step 4: Simplify right side
    903,606.42x = 618,170,856,400.45
  5. Step 5: Solve for x
    x = 618,170,856,400.45/903,606.42
  6. Step 6: Final answer
    x = 684,115.17

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1.5x scale

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.