Home / 662,948.86-914,875.48-401,310.18

Finding the Fourth Proportional to 662,948.86, 914,875.48 and 401,310.18

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Solution

The fourth proportional to 662,948.86, 914,875.48 and 401,310.18 is: 553,811.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,948.86 : 914,875.48 = 401,310.18 : x
  2. Step 2: Convert to fraction form
    662,948.86/914,875.48 = 401,310.18/x
  3. Step 3: Cross multiply
    662,948.86x = 914,875.48 × 401,310.18
  4. Step 4: Simplify right side
    662,948.86x = 367,148,843,556.39
  5. Step 5: Solve for x
    x = 367,148,843,556.39/662,948.86
  6. Step 6: Final answer
    x = 553,811.71

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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.