Home / 830,276.99-1,245,416.70-231,239.87

Finding the Fourth Proportional to 830,276.99, 1,245,416.70 and 231,239.87

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Solution

The fourth proportional to 830,276.99, 1,245,416.70 and 231,239.87 is: 346,860.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,276.99 : 1,245,416.70 = 231,239.87 : x
  2. Step 2: Convert to fraction form
    830,276.99/1,245,416.70 = 231,239.87/x
  3. Step 3: Cross multiply
    830,276.99x = 1,245,416.70 × 231,239.87
  4. Step 4: Simplify right side
    830,276.99x = 287,989,995,803.83
  5. Step 5: Solve for x
    x = 287,989,995,803.83/830,276.99
  6. Step 6: Final answer
    x = 346,860.14

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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.