Home / 628,817.93-867,768.49-342,337.94

Finding the Fourth Proportional to 628,817.93, 867,768.49 and 342,337.94

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Solution

The fourth proportional to 628,817.93, 867,768.49 and 342,337.94 is: 472,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,817.93 : 867,768.49 = 342,337.94 : x
  2. Step 2: Convert to fraction form
    628,817.93/867,768.49 = 342,337.94/x
  3. Step 3: Cross multiply
    628,817.93x = 867,768.49 × 342,337.94
  4. Step 4: Simplify right side
    628,817.93x = 297,070,077,263.51
  5. Step 5: Solve for x
    x = 297,070,077,263.51/628,817.93
  6. Step 6: Final answer
    x = 472,426.22

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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.