Home / 849,641.89-1,274,488.39-209,945.59

Finding the Fourth Proportional to 849,641.89, 1,274,488.39 and 209,945.59

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Solution

The fourth proportional to 849,641.89, 1,274,488.39 and 209,945.59 is: 314,924.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,641.89 : 1,274,488.39 = 209,945.59 : x
  2. Step 2: Convert to fraction form
    849,641.89/1,274,488.39 = 209,945.59/x
  3. Step 3: Cross multiply
    849,641.89x = 1,274,488.39 × 209,945.59
  4. Step 4: Simplify right side
    849,641.89x = 267,573,211,139.12
  5. Step 5: Solve for x
    x = 267,573,211,139.12/849,641.89
  6. Step 6: Final answer
    x = 314,924.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.