Home / 747,483.50-1,031,512.83-407,954.18

Finding the Fourth Proportional to 747,483.50, 1,031,512.83 and 407,954.18

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Solution

The fourth proportional to 747,483.50, 1,031,512.83 and 407,954.18 is: 562,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,483.50 : 1,031,512.83 = 407,954.18 : x
  2. Step 2: Convert to fraction form
    747,483.50/1,031,512.83 = 407,954.18/x
  3. Step 3: Cross multiply
    747,483.50x = 1,031,512.83 × 407,954.18
  4. Step 4: Simplify right side
    747,483.50x = 420,809,965,564.57
  5. Step 5: Solve for x
    x = 420,809,965,564.57/747,483.50
  6. Step 6: Final answer
    x = 562,968.91

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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.