Home / 777,522.54-1,072,986.38-433,380.61

Finding the Fourth Proportional to 777,522.54, 1,072,986.38 and 433,380.61

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Solution

The fourth proportional to 777,522.54, 1,072,986.38 and 433,380.61 is: 598,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,522.54 : 1,072,986.38 = 433,380.61 : x
  2. Step 2: Convert to fraction form
    777,522.54/1,072,986.38 = 433,380.61/x
  3. Step 3: Cross multiply
    777,522.54x = 1,072,986.38 × 433,380.61
  4. Step 4: Simplify right side
    777,522.54x = 465,011,492,685.60
  5. Step 5: Solve for x
    x = 465,011,492,685.60/777,522.54
  6. Step 6: Final answer
    x = 598,068.18

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1.5x scale

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.