Home / 763,364.10-1,145,046.15-723,998.10

Finding the Fourth Proportional to 763,364.10, 1,145,046.15 and 723,998.10

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Solution

The fourth proportional to 763,364.10, 1,145,046.15 and 723,998.10 is: 1,085,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,364.10 : 1,145,046.15 = 723,998.10 : x
  2. Step 2: Convert to fraction form
    763,364.10/1,145,046.15 = 723,998.10/x
  3. Step 3: Cross multiply
    763,364.10x = 1,145,046.15 × 723,998.10
  4. Step 4: Simplify right side
    763,364.10x = 829,011,237,012.32
  5. Step 5: Solve for x
    x = 829,011,237,012.32/763,364.10
  6. Step 6: Final answer
    x = 1,085,997.15

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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.