Home / 715,309.65-1,072,798.02-266,242.05

Finding the Fourth Proportional to 715,309.65, 1,072,798.02 and 266,242.05

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Solution

The fourth proportional to 715,309.65, 1,072,798.02 and 266,242.05 is: 399,301.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,309.65 : 1,072,798.02 = 266,242.05 : x
  2. Step 2: Convert to fraction form
    715,309.65/1,072,798.02 = 266,242.05/x
  3. Step 3: Cross multiply
    715,309.65x = 1,072,798.02 × 266,242.05
  4. Step 4: Simplify right side
    715,309.65x = 285,623,944,080.74
  5. Step 5: Solve for x
    x = 285,623,944,080.74/715,309.65
  6. Step 6: Final answer
    x = 399,301.12

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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.