Home / 673,890.20-1,011,717.92-450,685

Finding the Fourth Proportional to 673,890.20, 1,011,717.92 and 450,685

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Solution

The fourth proportional to 673,890.20, 1,011,717.92 and 450,685 is: 676,617.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,890.20 : 1,011,717.92 = 450,685 : x
  2. Step 2: Convert to fraction form
    673,890.20/1,011,717.92 = 450,685/x
  3. Step 3: Cross multiply
    673,890.20x = 1,011,717.92 × 450,685
  4. Step 4: Simplify right side
    673,890.20x = 455,966,090,775.20
  5. Step 5: Solve for x
    x = 455,966,090,775.20/673,890.20
  6. Step 6: Final answer
    x = 676,617.78

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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.