Home / 999,175.73-1,378,779.30-563,569.07

Finding the Fourth Proportional to 999,175.73, 1,378,779.30 and 563,569.07

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Solution

The fourth proportional to 999,175.73, 1,378,779.30 and 563,569.07 is: 777,678.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,175.73 : 1,378,779.30 = 563,569.07 : x
  2. Step 2: Convert to fraction form
    999,175.73/1,378,779.30 = 563,569.07/x
  3. Step 3: Cross multiply
    999,175.73x = 1,378,779.30 × 563,569.07
  4. Step 4: Simplify right side
    999,175.73x = 777,037,360,942.36
  5. Step 5: Solve for x
    x = 777,037,360,942.36/999,175.73
  6. Step 6: Final answer
    x = 777,678.38

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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.