Home / 629,075.27-868,117.83-342,600.14

Finding the Fourth Proportional to 629,075.27, 868,117.83 and 342,600.14

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Solution

The fourth proportional to 629,075.27, 868,117.83 and 342,600.14 is: 472,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,075.27 : 868,117.83 = 342,600.14 : x
  2. Step 2: Convert to fraction form
    629,075.27/868,117.83 = 342,600.14/x
  3. Step 3: Cross multiply
    629,075.27x = 868,117.83 × 342,600.14
  4. Step 4: Simplify right side
    629,075.27x = 297,417,290,094.50
  5. Step 5: Solve for x
    x = 297,417,290,094.50/629,075.27
  6. Step 6: Final answer
    x = 472,784.90

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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.