Home / 817,628.78-1,226,492.38-344,351.04

Finding the Fourth Proportional to 817,628.78, 1,226,492.38 and 344,351.04

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Solution

The fourth proportional to 817,628.78, 1,226,492.38 and 344,351.04 is: 516,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,628.78 : 1,226,492.38 = 344,351.04 : x
  2. Step 2: Convert to fraction form
    817,628.78/1,226,492.38 = 344,351.04/x
  3. Step 3: Cross multiply
    817,628.78x = 1,226,492.38 × 344,351.04
  4. Step 4: Simplify right side
    817,628.78x = 422,343,926,605.08
  5. Step 5: Solve for x
    x = 422,343,926,605.08/817,628.78
  6. Step 6: Final answer
    x = 516,547.29

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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.