Home / 682,940.40-1,025,332.20-434,108.40

Finding the Fourth Proportional to 682,940.40, 1,025,332.20 and 434,108.40

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Solution

The fourth proportional to 682,940.40, 1,025,332.20 and 434,108.40 is: 651,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,940.40 : 1,025,332.20 = 434,108.40 : x
  2. Step 2: Convert to fraction form
    682,940.40/1,025,332.20 = 434,108.40/x
  3. Step 3: Cross multiply
    682,940.40x = 1,025,332.20 × 434,108.40
  4. Step 4: Simplify right side
    682,940.40x = 445,105,320,810.48
  5. Step 5: Solve for x
    x = 445,105,320,810.48/682,940.40
  6. Step 6: Final answer
    x = 651,748.41

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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.