Home / 736,142.40-1,103,824.80-314,942.40

Finding the Fourth Proportional to 736,142.40, 1,103,824.80 and 314,942.40

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Solution

The fourth proportional to 736,142.40, 1,103,824.80 and 314,942.40 is: 472,247.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,142.40 : 1,103,824.80 = 314,942.40 : x
  2. Step 2: Convert to fraction form
    736,142.40/1,103,824.80 = 314,942.40/x
  3. Step 3: Cross multiply
    736,142.40x = 1,103,824.80 × 314,942.40
  4. Step 4: Simplify right side
    736,142.40x = 347,641,231,691.52
  5. Step 5: Solve for x
    x = 347,641,231,691.52/736,142.40
  6. Step 6: Final answer
    x = 472,247.26

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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.