Home / 662,261.49-913,922.61-375,780.81

Finding the Fourth Proportional to 662,261.49, 913,922.61 and 375,780.81

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Solution

The fourth proportional to 662,261.49, 913,922.61 and 375,780.81 is: 518,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,261.49 : 913,922.61 = 375,780.81 : x
  2. Step 2: Convert to fraction form
    662,261.49/913,922.61 = 375,780.81/x
  3. Step 3: Cross multiply
    662,261.49x = 913,922.61 × 375,780.81
  4. Step 4: Simplify right side
    662,261.49x = 343,434,578,663.11
  5. Step 5: Solve for x
    x = 343,434,578,663.11/662,261.49
  6. Step 6: Final answer
    x = 518,578.51

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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.