Home / 763,956.51-1,145,934.98-284,121.62

Finding the Fourth Proportional to 763,956.51, 1,145,934.98 and 284,121.62

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Solution

The fourth proportional to 763,956.51, 1,145,934.98 and 284,121.62 is: 426,182.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,956.51 : 1,145,934.98 = 284,121.62 : x
  2. Step 2: Convert to fraction form
    763,956.51/1,145,934.98 = 284,121.62/x
  3. Step 3: Cross multiply
    763,956.51x = 1,145,934.98 × 284,121.62
  4. Step 4: Simplify right side
    763,956.51x = 325,584,895,781.99
  5. Step 5: Solve for x
    x = 325,584,895,781.99/763,956.51
  6. Step 6: Final answer
    x = 426,182.50

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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.