Home / 915,757.50-1,373,639.36-382,904.97

Finding the Fourth Proportional to 915,757.50, 1,373,639.36 and 382,904.97

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Solution

The fourth proportional to 915,757.50, 1,373,639.36 and 382,904.97 is: 574,358.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,757.50 : 1,373,639.36 = 382,904.97 : x
  2. Step 2: Convert to fraction form
    915,757.50/1,373,639.36 = 382,904.97/x
  3. Step 3: Cross multiply
    915,757.50x = 1,373,639.36 × 382,904.97
  4. Step 4: Simplify right side
    915,757.50x = 525,973,340,746.51
  5. Step 5: Solve for x
    x = 525,973,340,746.51/915,757.50
  6. Step 6: Final answer
    x = 574,358.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.