Home / 865,457.48-1,298,309.08-266,468.42

Finding the Fourth Proportional to 865,457.48, 1,298,309.08 and 266,468.42

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Solution

The fourth proportional to 865,457.48, 1,298,309.08 and 266,468.42 is: 399,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,457.48 : 1,298,309.08 = 266,468.42 : x
  2. Step 2: Convert to fraction form
    865,457.48/1,298,309.08 = 266,468.42/x
  3. Step 3: Cross multiply
    865,457.48x = 1,298,309.08 × 266,468.42
  4. Step 4: Simplify right side
    865,457.48x = 345,958,369,219.25
  5. Step 5: Solve for x
    x = 345,958,369,219.25/865,457.48
  6. Step 6: Final answer
    x = 399,740.46

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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.