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Finding the Fourth Proportional to 607,542.77, 910,315.63 and 207,965.56

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Solution

The fourth proportional to 607,542.77, 910,315.63 and 207,965.56 is: 311,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,542.77 : 910,315.63 = 207,965.56 : x
  2. Step 2: Convert to fraction form
    607,542.77/910,315.63 = 207,965.56/x
  3. Step 3: Cross multiply
    607,542.77x = 910,315.63 × 207,965.56
  4. Step 4: Simplify right side
    607,542.77x = 189,314,299,769.70
  5. Step 5: Solve for x
    x = 189,314,299,769.70/607,542.77
  6. Step 6: Final answer
    x = 311,606.54

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1.5x scale

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.