Home / 902,522.40-1,245,478.32-500,114.40

Finding the Fourth Proportional to 902,522.40, 1,245,478.32 and 500,114.40

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Solution

The fourth proportional to 902,522.40, 1,245,478.32 and 500,114.40 is: 690,156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,522.40 : 1,245,478.32 = 500,114.40 : x
  2. Step 2: Convert to fraction form
    902,522.40/1,245,478.32 = 500,114.40/x
  3. Step 3: Cross multiply
    902,522.40x = 1,245,478.32 × 500,114.40
  4. Step 4: Simplify right side
    902,522.40x = 622,881,642,719.81
  5. Step 5: Solve for x
    x = 622,881,642,719.81/902,522.40
  6. Step 6: Final answer
    x = 690,156.44

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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.