Home / 865,802.28-1,194,784.86-483,832.20

Finding the Fourth Proportional to 865,802.28, 1,194,784.86 and 483,832.20

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Solution

The fourth proportional to 865,802.28, 1,194,784.86 and 483,832.20 is: 667,675.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,802.28 : 1,194,784.86 = 483,832.20 : x
  2. Step 2: Convert to fraction form
    865,802.28/1,194,784.86 = 483,832.20/x
  3. Step 3: Cross multiply
    865,802.28x = 1,194,784.86 × 483,832.20
  4. Step 4: Simplify right side
    865,802.28x = 578,075,387,340.49
  5. Step 5: Solve for x
    x = 578,075,387,340.49/865,802.28
  6. Step 6: Final answer
    x = 667,675.98

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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.