Home / 571,985.92-789,340.62-317,338.93

Finding the Fourth Proportional to 571,985.92, 789,340.62 and 317,338.93

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Solution

The fourth proportional to 571,985.92, 789,340.62 and 317,338.93 is: 437,927.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,985.92 : 789,340.62 = 317,338.93 : x
  2. Step 2: Convert to fraction form
    571,985.92/789,340.62 = 317,338.93/x
  3. Step 3: Cross multiply
    571,985.92x = 789,340.62 × 317,338.93
  4. Step 4: Simplify right side
    571,985.92x = 250,488,507,756.34
  5. Step 5: Solve for x
    x = 250,488,507,756.34/571,985.92
  6. Step 6: Final answer
    x = 437,927.75

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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.