Home / 662,940.63-914,864.09-401,301.95

Finding the Fourth Proportional to 662,940.63, 914,864.09 and 401,301.95

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Solution

The fourth proportional to 662,940.63, 914,864.09 and 401,301.95 is: 553,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,940.63 : 914,864.09 = 401,301.95 : x
  2. Step 2: Convert to fraction form
    662,940.63/914,864.09 = 401,301.95/x
  3. Step 3: Cross multiply
    662,940.63x = 914,864.09 × 401,301.95
  4. Step 4: Simplify right side
    662,940.63x = 367,136,736,721.15
  5. Step 5: Solve for x
    x = 367,136,736,721.15/662,940.63
  6. Step 6: Final answer
    x = 553,800.33

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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.