Home / 611,108.43-843,369.05-339,176.35

Finding the Fourth Proportional to 611,108.43, 843,369.05 and 339,176.35

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Solution

The fourth proportional to 611,108.43, 843,369.05 and 339,176.35 is: 468,085.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,108.43 : 843,369.05 = 339,176.35 : x
  2. Step 2: Convert to fraction form
    611,108.43/843,369.05 = 339,176.35/x
  3. Step 3: Cross multiply
    611,108.43x = 843,369.05 × 339,176.35
  4. Step 4: Simplify right side
    611,108.43x = 286,050,831,332.30
  5. Step 5: Solve for x
    x = 286,050,831,332.30/611,108.43
  6. Step 6: Final answer
    x = 468,085.23

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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.