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Finding the Fourth Proportional to 607,277.91, 910,307.22 and 207,645.33

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Solution

The fourth proportional to 607,277.91, 910,307.22 and 207,645.33 is: 311,259.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,277.91 : 910,307.22 = 207,645.33 : x
  2. Step 2: Convert to fraction form
    607,277.91/910,307.22 = 207,645.33/x
  3. Step 3: Cross multiply
    607,277.91x = 910,307.22 × 207,645.33
  4. Step 4: Simplify right side
    607,277.91x = 189,021,043,098.28
  5. Step 5: Solve for x
    x = 189,021,043,098.28/607,277.91
  6. Step 6: Final answer
    x = 311,259.54

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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.