Home / 877,656.45-1,317,262.28-451,492.77

Finding the Fourth Proportional to 877,656.45, 1,317,262.28 and 451,492.77

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Solution

The fourth proportional to 877,656.45, 1,317,262.28 and 451,492.77 is: 677,639.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,656.45 : 1,317,262.28 = 451,492.77 : x
  2. Step 2: Convert to fraction form
    877,656.45/1,317,262.28 = 451,492.77/x
  3. Step 3: Cross multiply
    877,656.45x = 1,317,262.28 × 451,492.77
  4. Step 4: Simplify right side
    877,656.45x = 594,734,395,613.72
  5. Step 5: Solve for x
    x = 594,734,395,613.72/877,656.45
  6. Step 6: Final answer
    x = 677,639.18

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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.