Home / 629,024.40-868,064.04-342,550.08

Finding the Fourth Proportional to 629,024.40, 868,064.04 and 342,550.08

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Solution

The fourth proportional to 629,024.40, 868,064.04 and 342,550.08 is: 472,724.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,024.40 : 868,064.04 = 342,550.08 : x
  2. Step 2: Convert to fraction form
    629,024.40/868,064.04 = 342,550.08/x
  3. Step 3: Cross multiply
    629,024.40x = 868,064.04 × 342,550.08
  4. Step 4: Simplify right side
    629,024.40x = 297,355,406,347.12
  5. Step 5: Solve for x
    x = 297,355,406,347.12/629,024.40
  6. Step 6: Final answer
    x = 472,724.76

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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.