Home / 940,834.98-1,298,303.10-511,113.78

Finding the Fourth Proportional to 940,834.98, 1,298,303.10 and 511,113.78

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Solution

The fourth proportional to 940,834.98, 1,298,303.10 and 511,113.78 is: 705,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,834.98 : 1,298,303.10 = 511,113.78 : x
  2. Step 2: Convert to fraction form
    940,834.98/1,298,303.10 = 511,113.78/x
  3. Step 3: Cross multiply
    940,834.98x = 1,298,303.10 × 511,113.78
  4. Step 4: Simplify right side
    940,834.98x = 663,580,605,026.72
  5. Step 5: Solve for x
    x = 663,580,605,026.72/940,834.98
  6. Step 6: Final answer
    x = 705,310.30

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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.