Home / 786,042.22-1,179,312.56-280,592.35

Finding the Fourth Proportional to 786,042.22, 1,179,312.56 and 280,592.35

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Solution

The fourth proportional to 786,042.22, 1,179,312.56 and 280,592.35 is: 420,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,042.22 : 1,179,312.56 = 280,592.35 : x
  2. Step 2: Convert to fraction form
    786,042.22/1,179,312.56 = 280,592.35/x
  3. Step 3: Cross multiply
    786,042.22x = 1,179,312.56 × 280,592.35
  4. Step 4: Simplify right side
    786,042.22x = 330,906,082,594.92
  5. Step 5: Solve for x
    x = 330,906,082,594.92/786,042.22
  6. Step 6: Final answer
    x = 420,977.49

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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.