Home / 629,290.30-868,416.35-342,810.58

Finding the Fourth Proportional to 629,290.30, 868,416.35 and 342,810.58

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Solution

The fourth proportional to 629,290.30, 868,416.35 and 342,810.58 is: 473,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,290.30 : 868,416.35 = 342,810.58 : x
  2. Step 2: Convert to fraction form
    629,290.30/868,416.35 = 342,810.58/x
  3. Step 3: Cross multiply
    629,290.30x = 868,416.35 × 342,810.58
  4. Step 4: Simplify right side
    629,290.30x = 297,702,312,624.98
  5. Step 5: Solve for x
    x = 297,702,312,624.98/629,290.30
  6. Step 6: Final answer
    x = 473,076.28

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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.