Home / 917,727.83-1,376,618.91-438,006.18

Finding the Fourth Proportional to 917,727.83, 1,376,618.91 and 438,006.18

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Solution

The fourth proportional to 917,727.83, 1,376,618.91 and 438,006.18 is: 657,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,727.83 : 1,376,618.91 = 438,006.18 : x
  2. Step 2: Convert to fraction form
    917,727.83/1,376,618.91 = 438,006.18/x
  3. Step 3: Cross multiply
    917,727.83x = 1,376,618.91 × 438,006.18
  4. Step 4: Simplify right side
    917,727.83x = 602,967,593,604.66
  5. Step 5: Solve for x
    x = 602,967,593,604.66/917,727.83
  6. Step 6: Final answer
    x = 657,022.24

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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.