Home / 877,655.45-1,317,260.78-451,491.77

Finding the Fourth Proportional to 877,655.45, 1,317,260.78 and 451,491.77

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Solution

The fourth proportional to 877,655.45, 1,317,260.78 and 451,491.77 is: 677,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,655.45 : 1,317,260.78 = 451,491.77 : x
  2. Step 2: Convert to fraction form
    877,655.45/1,317,260.78 = 451,491.77/x
  3. Step 3: Cross multiply
    877,655.45x = 1,317,260.78 × 451,491.77
  4. Step 4: Simplify right side
    877,655.45x = 594,732,401,113.78
  5. Step 5: Solve for x
    x = 594,732,401,113.78/877,655.45
  6. Step 6: Final answer
    x = 677,637.68

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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.