Home / 514,449.15-709,944.80-285,011.31

Finding the Fourth Proportional to 514,449.15, 709,944.80 and 285,011.31

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Solution

The fourth proportional to 514,449.15, 709,944.80 and 285,011.31 is: 393,318.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,449.15 : 709,944.80 = 285,011.31 : x
  2. Step 2: Convert to fraction form
    514,449.15/709,944.80 = 285,011.31/x
  3. Step 3: Cross multiply
    514,449.15x = 709,944.80 × 285,011.31
  4. Step 4: Simplify right side
    514,449.15x = 202,342,297,475.69
  5. Step 5: Solve for x
    x = 202,342,297,475.69/514,449.15
  6. Step 6: Final answer
    x = 393,318.36

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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.