Home / 628,929.15-867,937.83-342,464.94

Finding the Fourth Proportional to 628,929.15, 867,937.83 and 342,464.94

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Solution

The fourth proportional to 628,929.15, 867,937.83 and 342,464.94 is: 472,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,929.15 : 867,937.83 = 342,464.94 : x
  2. Step 2: Convert to fraction form
    628,929.15/867,937.83 = 342,464.94/x
  3. Step 3: Cross multiply
    628,929.15x = 867,937.83 × 342,464.94
  4. Step 4: Simplify right side
    628,929.15x = 297,238,276,874.68
  5. Step 5: Solve for x
    x = 297,238,276,874.68/628,929.15
  6. Step 6: Final answer
    x = 472,610.11

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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.