Home / 668,610.93-1,002,916.30-313,624.95

Finding the Fourth Proportional to 668,610.93, 1,002,916.30 and 313,624.95

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Solution

The fourth proportional to 668,610.93, 1,002,916.30 and 313,624.95 is: 470,437.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,610.93 : 1,002,916.30 = 313,624.95 : x
  2. Step 2: Convert to fraction form
    668,610.93/1,002,916.30 = 313,624.95/x
  3. Step 3: Cross multiply
    668,610.93x = 1,002,916.30 × 313,624.95
  4. Step 4: Simplify right side
    668,610.93x = 314,539,572,873.56
  5. Step 5: Solve for x
    x = 314,539,572,873.56/668,610.93
  6. Step 6: Final answer
    x = 470,437.38

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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.