Home / 682,062.90-1,023,258.70-255,602.45

Finding the Fourth Proportional to 682,062.90, 1,023,258.70 and 255,602.45

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Solution

The fourth proportional to 682,062.90, 1,023,258.70 and 255,602.45 is: 383,465.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,062.90 : 1,023,258.70 = 255,602.45 : x
  2. Step 2: Convert to fraction form
    682,062.90/1,023,258.70 = 255,602.45/x
  3. Step 3: Cross multiply
    682,062.90x = 1,023,258.70 × 255,602.45
  4. Step 4: Simplify right side
    682,062.90x = 261,547,432,862.58
  5. Step 5: Solve for x
    x = 261,547,432,862.58/682,062.90
  6. Step 6: Final answer
    x = 383,465.27

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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.