Home / 442,557.20-610,783.80-270,439.76

Finding the Fourth Proportional to 442,557.20, 610,783.80 and 270,439.76

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Solution

The fourth proportional to 442,557.20, 610,783.80 and 270,439.76 is: 373,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,557.20 : 610,783.80 = 270,439.76 : x
  2. Step 2: Convert to fraction form
    442,557.20/610,783.80 = 270,439.76/x
  3. Step 3: Cross multiply
    442,557.20x = 610,783.80 × 270,439.76
  4. Step 4: Simplify right side
    442,557.20x = 165,180,224,283.89
  5. Step 5: Solve for x
    x = 165,180,224,283.89/442,557.20
  6. Step 6: Final answer
    x = 373,240.40

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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.