Home / 662,358.70-914,059.38-375,883.57

Finding the Fourth Proportional to 662,358.70, 914,059.38 and 375,883.57

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Solution

The fourth proportional to 662,358.70, 914,059.38 and 375,883.57 is: 518,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,358.70 : 914,059.38 = 375,883.57 : x
  2. Step 2: Convert to fraction form
    662,358.70/914,059.38 = 375,883.57/x
  3. Step 3: Cross multiply
    662,358.70x = 914,059.38 × 375,883.57
  4. Step 4: Simplify right side
    662,358.70x = 343,579,902,946.39
  5. Step 5: Solve for x
    x = 343,579,902,946.39/662,358.70
  6. Step 6: Final answer
    x = 518,721.81

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1.5x scale

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.