Home / 770,817.20-1,154,670.60-534,426.80

Finding the Fourth Proportional to 770,817.20, 1,154,670.60 and 534,426.80

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Solution

The fourth proportional to 770,817.20, 1,154,670.60 and 534,426.80 is: 800,561.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,817.20 : 1,154,670.60 = 534,426.80 : x
  2. Step 2: Convert to fraction form
    770,817.20/1,154,670.60 = 534,426.80/x
  3. Step 3: Cross multiply
    770,817.20x = 1,154,670.60 × 534,426.80
  4. Step 4: Simplify right side
    770,817.20x = 617,086,913,812.08
  5. Step 5: Solve for x
    x = 617,086,913,812.08/770,817.20
  6. Step 6: Final answer
    x = 800,561.94

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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.