Home / 682,935.20-1,025,180.40-402,610.40

Finding the Fourth Proportional to 682,935.20, 1,025,180.40 and 402,610.40

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Solution

The fourth proportional to 682,935.20, 1,025,180.40 and 402,610.40 is: 604,374.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,935.20 : 1,025,180.40 = 402,610.40 : x
  2. Step 2: Convert to fraction form
    682,935.20/1,025,180.40 = 402,610.40/x
  3. Step 3: Cross multiply
    682,935.20x = 1,025,180.40 × 402,610.40
  4. Step 4: Simplify right side
    682,935.20x = 412,748,290,916.16
  5. Step 5: Solve for x
    x = 412,748,290,916.16/682,935.20
  6. Step 6: Final answer
    x = 604,374.02

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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.