Home / 763,614.78-1,053,773.19-424,071.42

Finding the Fourth Proportional to 763,614.78, 1,053,773.19 and 424,071.42

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Solution

The fourth proportional to 763,614.78, 1,053,773.19 and 424,071.42 is: 585,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,614.78 : 1,053,773.19 = 424,071.42 : x
  2. Step 2: Convert to fraction form
    763,614.78/1,053,773.19 = 424,071.42/x
  3. Step 3: Cross multiply
    763,614.78x = 1,053,773.19 × 424,071.42
  4. Step 4: Simplify right side
    763,614.78x = 446,875,093,041.23
  5. Step 5: Solve for x
    x = 446,875,093,041.23/763,614.78
  6. Step 6: Final answer
    x = 585,210.11

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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.