Home / 863,703.51-1,295,508.56-264,666.39

Finding the Fourth Proportional to 863,703.51, 1,295,508.56 and 264,666.39

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Solution

The fourth proportional to 863,703.51, 1,295,508.56 and 264,666.39 is: 396,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,703.51 : 1,295,508.56 = 264,666.39 : x
  2. Step 2: Convert to fraction form
    863,703.51/1,295,508.56 = 264,666.39/x
  3. Step 3: Cross multiply
    863,703.51x = 1,295,508.56 × 264,666.39
  4. Step 4: Simplify right side
    863,703.51x = 342,877,572,465.97
  5. Step 5: Solve for x
    x = 342,877,572,465.97/863,703.51
  6. Step 6: Final answer
    x = 396,985.27

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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.