Home / 816,541.12-1,225,012.62-284,066.77

Finding the Fourth Proportional to 816,541.12, 1,225,012.62 and 284,066.77

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Solution

The fourth proportional to 816,541.12, 1,225,012.62 and 284,066.77 is: 426,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,541.12 : 1,225,012.62 = 284,066.77 : x
  2. Step 2: Convert to fraction form
    816,541.12/1,225,012.62 = 284,066.77/x
  3. Step 3: Cross multiply
    816,541.12x = 1,225,012.62 × 284,066.77
  4. Step 4: Simplify right side
    816,541.12x = 347,985,378,172.64
  5. Step 5: Solve for x
    x = 347,985,378,172.64/816,541.12
  6. Step 6: Final answer
    x = 426,170.06

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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.