Home / 763,260.47-1,145,415.63-264,624.47

Finding the Fourth Proportional to 763,260.47, 1,145,415.63 and 264,624.47

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Solution

The fourth proportional to 763,260.47, 1,145,415.63 and 264,624.47 is: 397,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,260.47 : 1,145,415.63 = 264,624.47 : x
  2. Step 2: Convert to fraction form
    763,260.47/1,145,415.63 = 264,624.47/x
  3. Step 3: Cross multiply
    763,260.47x = 1,145,415.63 × 264,624.47
  4. Step 4: Simplify right side
    763,260.47x = 303,105,003,579.04
  5. Step 5: Solve for x
    x = 303,105,003,579.04/763,260.47
  6. Step 6: Final answer
    x = 397,118.70

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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.