Home / 763,662.40-1,053,824.96-424,152.56

Finding the Fourth Proportional to 763,662.40, 1,053,824.96 and 424,152.56

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Solution

The fourth proportional to 763,662.40, 1,053,824.96 and 424,152.56 is: 585,314.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,662.40 : 1,053,824.96 = 424,152.56 : x
  2. Step 2: Convert to fraction form
    763,662.40/1,053,824.96 = 424,152.56/x
  3. Step 3: Cross multiply
    763,662.40x = 1,053,824.96 × 424,152.56
  4. Step 4: Simplify right side
    763,662.40x = 446,982,554,575.90
  5. Step 5: Solve for x
    x = 446,982,554,575.90/763,662.40
  6. Step 6: Final answer
    x = 585,314.34

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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.