Home / 739,824.68-1,020,848.60-449,285.16

Finding the Fourth Proportional to 739,824.68, 1,020,848.60 and 449,285.16

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Solution

The fourth proportional to 739,824.68, 1,020,848.60 and 449,285.16 is: 619,947.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,824.68 : 1,020,848.60 = 449,285.16 : x
  2. Step 2: Convert to fraction form
    739,824.68/1,020,848.60 = 449,285.16/x
  3. Step 3: Cross multiply
    739,824.68x = 1,020,848.60 × 449,285.16
  4. Step 4: Simplify right side
    739,824.68x = 458,652,126,586.78
  5. Step 5: Solve for x
    x = 458,652,126,586.78/739,824.68
  6. Step 6: Final answer
    x = 619,947.05

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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.