Home / 628,488.96-867,332.85-342,027.18

Finding the Fourth Proportional to 628,488.96, 867,332.85 and 342,027.18

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Solution

The fourth proportional to 628,488.96, 867,332.85 and 342,027.18 is: 472,007.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,488.96 : 867,332.85 = 342,027.18 : x
  2. Step 2: Convert to fraction form
    628,488.96/867,332.85 = 342,027.18/x
  3. Step 3: Cross multiply
    628,488.96x = 867,332.85 × 342,027.18
  4. Step 4: Simplify right side
    628,488.96x = 296,651,408,806.86
  5. Step 5: Solve for x
    x = 296,651,408,806.86/628,488.96
  6. Step 6: Final answer
    x = 472,007.35

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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.