Home / 662,264.49-913,926.75-375,783.81

Finding the Fourth Proportional to 662,264.49, 913,926.75 and 375,783.81

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Solution

The fourth proportional to 662,264.49, 913,926.75 and 375,783.81 is: 518,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,264.49 : 913,926.75 = 375,783.81 : x
  2. Step 2: Convert to fraction form
    662,264.49/913,926.75 = 375,783.81/x
  3. Step 3: Cross multiply
    662,264.49x = 913,926.75 × 375,783.81
  4. Step 4: Simplify right side
    662,264.49x = 343,438,876,175.92
  5. Step 5: Solve for x
    x = 343,438,876,175.92/662,264.49
  6. Step 6: Final answer
    x = 518,582.65

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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.