Home / 710,709.05-1,065,906.99-205,160.22

Finding the Fourth Proportional to 710,709.05, 1,065,906.99 and 205,160.22

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Solution

The fourth proportional to 710,709.05, 1,065,906.99 and 205,160.22 is: 307,695.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,709.05 : 1,065,906.99 = 205,160.22 : x
  2. Step 2: Convert to fraction form
    710,709.05/1,065,906.99 = 205,160.22/x
  3. Step 3: Cross multiply
    710,709.05x = 1,065,906.99 × 205,160.22
  4. Step 4: Simplify right side
    710,709.05x = 218,681,712,567.94
  5. Step 5: Solve for x
    x = 218,681,712,567.94/710,709.05
  6. Step 6: Final answer
    x = 307,695.13

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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.