Home / 821,482.45-1,133,605.29-458,834.11

Finding the Fourth Proportional to 821,482.45, 1,133,605.29 and 458,834.11

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Solution

The fourth proportional to 821,482.45, 1,133,605.29 and 458,834.11 is: 633,168.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,482.45 : 1,133,605.29 = 458,834.11 : x
  2. Step 2: Convert to fraction form
    821,482.45/1,133,605.29 = 458,834.11/x
  3. Step 3: Cross multiply
    821,482.45x = 1,133,605.29 × 458,834.11
  4. Step 4: Simplify right side
    821,482.45x = 520,136,773,215.06
  5. Step 5: Solve for x
    x = 520,136,773,215.06/821,482.45
  6. Step 6: Final answer
    x = 633,168.46

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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.