Home / 763,581.13-1,053,713.09-424,071.25

Finding the Fourth Proportional to 763,581.13, 1,053,713.09 and 424,071.25

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Solution

The fourth proportional to 763,581.13, 1,053,713.09 and 424,071.25 is: 585,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,581.13 : 1,053,713.09 = 424,071.25 : x
  2. Step 2: Convert to fraction form
    763,581.13/1,053,713.09 = 424,071.25/x
  3. Step 3: Cross multiply
    763,581.13x = 1,053,713.09 × 424,071.25
  4. Step 4: Simplify right side
    763,581.13x = 446,849,431,570.69
  5. Step 5: Solve for x
    x = 446,849,431,570.69/763,581.13
  6. Step 6: Final answer
    x = 585,202.30

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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.