Home / 777,298.52-1,072,748.48-454,989.08

Finding the Fourth Proportional to 777,298.52, 1,072,748.48 and 454,989.08

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Solution

The fourth proportional to 777,298.52, 1,072,748.48 and 454,989.08 is: 627,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,298.52 : 1,072,748.48 = 454,989.08 : x
  2. Step 2: Convert to fraction form
    777,298.52/1,072,748.48 = 454,989.08/x
  3. Step 3: Cross multiply
    777,298.52x = 1,072,748.48 × 454,989.08
  4. Step 4: Simplify right side
    777,298.52x = 488,088,843,986.60
  5. Step 5: Solve for x
    x = 488,088,843,986.60/777,298.52
  6. Step 6: Final answer
    x = 627,929.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.