Home / 787,996.48-1,087,461.06-443,838.84

Finding the Fourth Proportional to 787,996.48, 1,087,461.06 and 443,838.84

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Solution

The fourth proportional to 787,996.48, 1,087,461.06 and 443,838.84 is: 612,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,996.48 : 1,087,461.06 = 443,838.84 : x
  2. Step 2: Convert to fraction form
    787,996.48/1,087,461.06 = 443,838.84/x
  3. Step 3: Cross multiply
    787,996.48x = 1,087,461.06 × 443,838.84
  4. Step 4: Simplify right side
    787,996.48x = 482,657,455,415.57
  5. Step 5: Solve for x
    x = 482,657,455,415.57/787,996.48
  6. Step 6: Final answer
    x = 612,512.20

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1.5x scale

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.