Home / 849,641.76-1,274,488.21-209,945.46

Finding the Fourth Proportional to 849,641.76, 1,274,488.21 and 209,945.46

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Solution

The fourth proportional to 849,641.76, 1,274,488.21 and 209,945.46 is: 314,924.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,641.76 : 1,274,488.21 = 209,945.46 : x
  2. Step 2: Convert to fraction form
    849,641.76/1,274,488.21 = 209,945.46/x
  3. Step 3: Cross multiply
    849,641.76x = 1,274,488.21 × 209,945.46
  4. Step 4: Simplify right side
    849,641.76x = 267,573,012,988.16
  5. Step 5: Solve for x
    x = 267,573,012,988.16/849,641.76
  6. Step 6: Final answer
    x = 314,924.51

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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.