Home / 612,621.56-918,932.54-252,787.16

Finding the Fourth Proportional to 612,621.56, 918,932.54 and 252,787.16

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Solution

The fourth proportional to 612,621.56, 918,932.54 and 252,787.16 is: 379,180.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,621.56 : 918,932.54 = 252,787.16 : x
  2. Step 2: Convert to fraction form
    612,621.56/918,932.54 = 252,787.16/x
  3. Step 3: Cross multiply
    612,621.56x = 918,932.54 × 252,787.16
  4. Step 4: Simplify right side
    612,621.56x = 232,294,341,159.59
  5. Step 5: Solve for x
    x = 232,294,341,159.59/612,621.56
  6. Step 6: Final answer
    x = 379,180.82

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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.