Home / 745,576.61-1,028,924.84-423,316.69

Finding the Fourth Proportional to 745,576.61, 1,028,924.84 and 423,316.69

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Solution

The fourth proportional to 745,576.61, 1,028,924.84 and 423,316.69 is: 584,193.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,576.61 : 1,028,924.84 = 423,316.69 : x
  2. Step 2: Convert to fraction form
    745,576.61/1,028,924.84 = 423,316.69/x
  3. Step 3: Cross multiply
    745,576.61x = 1,028,924.84 × 423,316.69
  4. Step 4: Simplify right side
    745,576.61x = 435,561,056,013.56
  5. Step 5: Solve for x
    x = 435,561,056,013.56/745,576.61
  6. Step 6: Final answer
    x = 584,193.57

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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.