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Finding the Fourth Proportional to 507,350.36, 700,101.96 and 289,557.97

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Solution

The fourth proportional to 507,350.36, 700,101.96 and 289,557.97 is: 399,566.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,350.36 : 700,101.96 = 289,557.97 : x
  2. Step 2: Convert to fraction form
    507,350.36/700,101.96 = 289,557.97/x
  3. Step 3: Cross multiply
    507,350.36x = 700,101.96 × 289,557.97
  4. Step 4: Simplify right side
    507,350.36x = 202,720,102,330.62
  5. Step 5: Solve for x
    x = 202,720,102,330.62/507,350.36
  6. Step 6: Final answer
    x = 399,566.29

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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.