Home / 947,729.63-1,420,794.77-442,024.15

Finding the Fourth Proportional to 947,729.63, 1,420,794.77 and 442,024.15

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Solution

The fourth proportional to 947,729.63, 1,420,794.77 and 442,024.15 is: 662,663.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,729.63 : 1,420,794.77 = 442,024.15 : x
  2. Step 2: Convert to fraction form
    947,729.63/1,420,794.77 = 442,024.15/x
  3. Step 3: Cross multiply
    947,729.63x = 1,420,794.77 × 442,024.15
  4. Step 4: Simplify right side
    947,729.63x = 628,025,591,219.60
  5. Step 5: Solve for x
    x = 628,025,591,219.60/947,729.63
  6. Step 6: Final answer
    x = 662,663.24

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1.5x scale

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.