Home / 763,785.26-1,054,057.02-424,253.51

Finding the Fourth Proportional to 763,785.26, 1,054,057.02 and 424,253.51

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Solution

The fourth proportional to 763,785.26, 1,054,057.02 and 424,253.51 is: 585,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,785.26 : 1,054,057.02 = 424,253.51 : x
  2. Step 2: Convert to fraction form
    763,785.26/1,054,057.02 = 424,253.51/x
  3. Step 3: Cross multiply
    763,785.26x = 1,054,057.02 × 424,253.51
  4. Step 4: Simplify right side
    763,785.26x = 447,187,390,475.14
  5. Step 5: Solve for x
    x = 447,187,390,475.14/763,785.26
  6. Step 6: Final answer
    x = 585,488.37

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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.