Home / 817,434.33-1,226,158.32-284,954.51

Finding the Fourth Proportional to 817,434.33, 1,226,158.32 and 284,954.51

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Solution

The fourth proportional to 817,434.33, 1,226,158.32 and 284,954.51 is: 427,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,434.33 : 1,226,158.32 = 284,954.51 : x
  2. Step 2: Convert to fraction form
    817,434.33/1,226,158.32 = 284,954.51/x
  3. Step 3: Cross multiply
    817,434.33x = 1,226,158.32 × 284,954.51
  4. Step 4: Simplify right side
    817,434.33x = 349,399,337,127.23
  5. Step 5: Solve for x
    x = 349,399,337,127.23/817,434.33
  6. Step 6: Final answer
    x = 427,434.14

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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.