Home / 889,935.78-1,228,105.38-502,876.52

Finding the Fourth Proportional to 889,935.78, 1,228,105.38 and 502,876.52

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Solution

The fourth proportional to 889,935.78, 1,228,105.38 and 502,876.52 is: 693,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,935.78 : 1,228,105.38 = 502,876.52 : x
  2. Step 2: Convert to fraction form
    889,935.78/1,228,105.38 = 502,876.52/x
  3. Step 3: Cross multiply
    889,935.78x = 1,228,105.38 × 502,876.52
  4. Step 4: Simplify right side
    889,935.78x = 617,585,353,547.15
  5. Step 5: Solve for x
    x = 617,585,353,547.15/889,935.78
  6. Step 6: Final answer
    x = 693,966.20

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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.