Home / 915,162.78-1,262,922.45-501,698.82

Finding the Fourth Proportional to 915,162.78, 1,262,922.45 and 501,698.82

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Solution

The fourth proportional to 915,162.78, 1,262,922.45 and 501,698.82 is: 692,343.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,162.78 : 1,262,922.45 = 501,698.82 : x
  2. Step 2: Convert to fraction form
    915,162.78/1,262,922.45 = 501,698.82/x
  3. Step 3: Cross multiply
    915,162.78x = 1,262,922.45 × 501,698.82
  4. Step 4: Simplify right side
    915,162.78x = 633,606,702,916.51
  5. Step 5: Solve for x
    x = 633,606,702,916.51/915,162.78
  6. Step 6: Final answer
    x = 692,343.17

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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.