Home / 690,713.53-946,280.98-664,826.23

Finding the Fourth Proportional to 690,713.53, 946,280.98 and 664,826.23

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Solution

The fourth proportional to 690,713.53, 946,280.98 and 664,826.23 is: 910,815.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,713.53 : 946,280.98 = 664,826.23 : x
  2. Step 2: Convert to fraction form
    690,713.53/946,280.98 = 664,826.23/x
  3. Step 3: Cross multiply
    690,713.53x = 946,280.98 × 664,826.23
  4. Step 4: Simplify right side
    690,713.53x = 629,112,418,467.99
  5. Step 5: Solve for x
    x = 629,112,418,467.99/690,713.53
  6. Step 6: Final answer
    x = 910,815.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.