Home / 965,721.96-1,332,686.52-536,005.80

Finding the Fourth Proportional to 965,721.96, 1,332,686.52 and 536,005.80

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Solution

The fourth proportional to 965,721.96, 1,332,686.52 and 536,005.80 is: 739,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,721.96 : 1,332,686.52 = 536,005.80 : x
  2. Step 2: Convert to fraction form
    965,721.96/1,332,686.52 = 536,005.80/x
  3. Step 3: Cross multiply
    965,721.96x = 1,332,686.52 × 536,005.80
  4. Step 4: Simplify right side
    965,721.96x = 714,327,704,301.82
  5. Step 5: Solve for x
    x = 714,327,704,301.82/965,721.96
  6. Step 6: Final answer
    x = 739,682.57

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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.