Home / 770,835.76-1,156,195.32-238,360.12

Finding the Fourth Proportional to 770,835.76, 1,156,195.32 and 238,360.12

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Solution

The fourth proportional to 770,835.76, 1,156,195.32 and 238,360.12 is: 357,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,835.76 : 1,156,195.32 = 238,360.12 : x
  2. Step 2: Convert to fraction form
    770,835.76/1,156,195.32 = 238,360.12/x
  3. Step 3: Cross multiply
    770,835.76x = 1,156,195.32 × 238,360.12
  4. Step 4: Simplify right side
    770,835.76x = 275,590,855,218.64
  5. Step 5: Solve for x
    x = 275,590,855,218.64/770,835.76
  6. Step 6: Final answer
    x = 357,522.15

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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.