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Finding the Fourth Proportional to 567,462.01, 783,098.67 and 309,341.08

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Solution

The fourth proportional to 567,462.01, 783,098.67 and 309,341.08 is: 426,891.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,462.01 : 783,098.67 = 309,341.08 : x
  2. Step 2: Convert to fraction form
    567,462.01/783,098.67 = 309,341.08/x
  3. Step 3: Cross multiply
    567,462.01x = 783,098.67 × 309,341.08
  4. Step 4: Simplify right side
    567,462.01x = 242,244,588,324.36
  5. Step 5: Solve for x
    x = 242,244,588,324.36/567,462.01
  6. Step 6: Final answer
    x = 426,891.29

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1.5x scale

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.