Home / 855,083.10-1,179,500.59-564,697.34

Finding the Fourth Proportional to 855,083.10, 1,179,500.59 and 564,697.34

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Solution

The fourth proportional to 855,083.10, 1,179,500.59 and 564,697.34 is: 778,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,083.10 : 1,179,500.59 = 564,697.34 : x
  2. Step 2: Convert to fraction form
    855,083.10/1,179,500.59 = 564,697.34/x
  3. Step 3: Cross multiply
    855,083.10x = 1,179,500.59 × 564,697.34
  4. Step 4: Simplify right side
    855,083.10x = 666,060,845,701.43
  5. Step 5: Solve for x
    x = 666,060,845,701.43/855,083.10
  6. Step 6: Final answer
    x = 778,942.83

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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.