Home / 629,000.02-867,997.11-342,513.82

Finding the Fourth Proportional to 629,000.02, 867,997.11 and 342,513.82

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Solution

The fourth proportional to 629,000.02, 867,997.11 and 342,513.82 is: 472,656.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,000.02 : 867,997.11 = 342,513.82 : x
  2. Step 2: Convert to fraction form
    629,000.02/867,997.11 = 342,513.82/x
  3. Step 3: Cross multiply
    629,000.02x = 867,997.11 × 342,513.82
  4. Step 4: Simplify right side
    629,000.02x = 297,301,005,895.06
  5. Step 5: Solve for x
    x = 297,301,005,895.06/629,000.02
  6. Step 6: Final answer
    x = 472,656.59

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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.