Home / 629,000.52-867,997.80-342,514.32

Finding the Fourth Proportional to 629,000.52, 867,997.80 and 342,514.32

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Solution

The fourth proportional to 629,000.52, 867,997.80 and 342,514.32 is: 472,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,000.52 : 867,997.80 = 342,514.32 : x
  2. Step 2: Convert to fraction form
    629,000.52/867,997.80 = 342,514.32/x
  3. Step 3: Cross multiply
    629,000.52x = 867,997.80 × 342,514.32
  4. Step 4: Simplify right side
    629,000.52x = 297,301,676,228.50
  5. Step 5: Solve for x
    x = 297,301,676,228.50/629,000.52
  6. Step 6: Final answer
    x = 472,657.28

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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.