Home / 763,631.50-1,053,811.48-424,131.34

Finding the Fourth Proportional to 763,631.50, 1,053,811.48 and 424,131.34

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Solution

The fourth proportional to 763,631.50, 1,053,811.48 and 424,131.34 is: 585,301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,631.50 : 1,053,811.48 = 424,131.34 : x
  2. Step 2: Convert to fraction form
    763,631.50/1,053,811.48 = 424,131.34/x
  3. Step 3: Cross multiply
    763,631.50x = 1,053,811.48 × 424,131.34
  4. Step 4: Simplify right side
    763,631.50x = 446,954,475,119.78
  5. Step 5: Solve for x
    x = 446,954,475,119.78/763,631.50
  6. Step 6: Final answer
    x = 585,301.25

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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.