Home / 903,850.12-1,247,312.28-495,954.28

Finding the Fourth Proportional to 903,850.12, 1,247,312.28 and 495,954.28

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Solution

The fourth proportional to 903,850.12, 1,247,312.28 and 495,954.28 is: 684,416.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,850.12 : 1,247,312.28 = 495,954.28 : x
  2. Step 2: Convert to fraction form
    903,850.12/1,247,312.28 = 495,954.28/x
  3. Step 3: Cross multiply
    903,850.12x = 1,247,312.28 × 495,954.28
  4. Step 4: Simplify right side
    903,850.12x = 618,609,863,762.56
  5. Step 5: Solve for x
    x = 618,609,863,762.56/903,850.12
  6. Step 6: Final answer
    x = 684,416.42

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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.