Home / 816,784.32-1,225,527.12-284,014.80

Finding the Fourth Proportional to 816,784.32, 1,225,527.12 and 284,014.80

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Solution

The fourth proportional to 816,784.32, 1,225,527.12 and 284,014.80 is: 426,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,784.32 : 1,225,527.12 = 284,014.80 : x
  2. Step 2: Convert to fraction form
    816,784.32/1,225,527.12 = 284,014.80/x
  3. Step 3: Cross multiply
    816,784.32x = 1,225,527.12 × 284,014.80
  4. Step 4: Simplify right side
    816,784.32x = 348,067,839,881.38
  5. Step 5: Solve for x
    x = 348,067,839,881.38/816,784.32
  6. Step 6: Final answer
    x = 426,144.13

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1.5x scale

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.