Home / 885,964.94-1,222,748.21-498,855.80

Finding the Fourth Proportional to 885,964.94, 1,222,748.21 and 498,855.80

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Solution

The fourth proportional to 885,964.94, 1,222,748.21 and 498,855.80 is: 688,486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,964.94 : 1,222,748.21 = 498,855.80 : x
  2. Step 2: Convert to fraction form
    885,964.94/1,222,748.21 = 498,855.80/x
  3. Step 3: Cross multiply
    885,964.94x = 1,222,748.21 × 498,855.80
  4. Step 4: Simplify right side
    885,964.94x = 609,975,030,384.38
  5. Step 5: Solve for x
    x = 609,975,030,384.38/885,964.94
  6. Step 6: Final answer
    x = 688,486.65

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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.