Home / 865,776.43-1,194,762.66-483,803.22

Finding the Fourth Proportional to 865,776.43, 1,194,762.66 and 483,803.22

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Solution

The fourth proportional to 865,776.43, 1,194,762.66 and 483,803.22 is: 667,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,776.43 : 1,194,762.66 = 483,803.22 : x
  2. Step 2: Convert to fraction form
    865,776.43/1,194,762.66 = 483,803.22/x
  3. Step 3: Cross multiply
    865,776.43x = 1,194,762.66 × 483,803.22
  4. Step 4: Simplify right side
    865,776.43x = 578,030,022,043.77
  5. Step 5: Solve for x
    x = 578,030,022,043.77/865,776.43
  6. Step 6: Final answer
    x = 667,643.52

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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.