Home / 902,445.68-1,245,376.50-494,482.70

Finding the Fourth Proportional to 902,445.68, 1,245,376.50 and 494,482.70

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Solution

The fourth proportional to 902,445.68, 1,245,376.50 and 494,482.70 is: 682,386.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,445.68 : 1,245,376.50 = 494,482.70 : x
  2. Step 2: Convert to fraction form
    902,445.68/1,245,376.50 = 494,482.70/x
  3. Step 3: Cross multiply
    902,445.68x = 1,245,376.50 × 494,482.70
  4. Step 4: Simplify right side
    902,445.68x = 615,817,134,236.55
  5. Step 5: Solve for x
    x = 615,817,134,236.55/902,445.68
  6. Step 6: Final answer
    x = 682,386.93

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Double scale
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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.