Home / 934,497.91-1,290,167.36-612,769.15

Finding the Fourth Proportional to 934,497.91, 1,290,167.36 and 612,769.15

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Solution

The fourth proportional to 934,497.91, 1,290,167.36 and 612,769.15 is: 845,988.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,497.91 : 1,290,167.36 = 612,769.15 : x
  2. Step 2: Convert to fraction form
    934,497.91/1,290,167.36 = 612,769.15/x
  3. Step 3: Cross multiply
    934,497.91x = 1,290,167.36 × 612,769.15
  4. Step 4: Simplify right side
    934,497.91x = 790,574,756,544.94
  5. Step 5: Solve for x
    x = 790,574,756,544.94/934,497.91
  6. Step 6: Final answer
    x = 845,988.79

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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.