Home / 767,925.30-1,150,419.15-412,821.30

Finding the Fourth Proportional to 767,925.30, 1,150,419.15 and 412,821.30

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Solution

The fourth proportional to 767,925.30, 1,150,419.15 and 412,821.30 is: 618,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,925.30 : 1,150,419.15 = 412,821.30 : x
  2. Step 2: Convert to fraction form
    767,925.30/1,150,419.15 = 412,821.30/x
  3. Step 3: Cross multiply
    767,925.30x = 1,150,419.15 × 412,821.30
  4. Step 4: Simplify right side
    767,925.30x = 474,917,529,047.90
  5. Step 5: Solve for x
    x = 474,917,529,047.90/767,925.30
  6. Step 6: Final answer
    x = 618,442.35

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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.