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Finding the Fourth Proportional to 662,646.86, 914,428.66 and 404,954.93

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Solution

The fourth proportional to 662,646.86, 914,428.66 and 404,954.93 is: 558,823.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,646.86 : 914,428.66 = 404,954.93 : x
  2. Step 2: Convert to fraction form
    662,646.86/914,428.66 = 404,954.93/x
  3. Step 3: Cross multiply
    662,646.86x = 914,428.66 × 404,954.93
  4. Step 4: Simplify right side
    662,646.86x = 370,302,394,000.29
  5. Step 5: Solve for x
    x = 370,302,394,000.29/662,646.86
  6. Step 6: Final answer
    x = 558,823.13

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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.