Home / 500,246.08-690,340.80-273,886.72

Finding the Fourth Proportional to 500,246.08, 690,340.80 and 273,886.72

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Solution

The fourth proportional to 500,246.08, 690,340.80 and 273,886.72 is: 377,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,246.08 : 690,340.80 = 273,886.72 : x
  2. Step 2: Convert to fraction form
    500,246.08/690,340.80 = 273,886.72/x
  3. Step 3: Cross multiply
    500,246.08x = 690,340.80 × 273,886.72
  4. Step 4: Simplify right side
    500,246.08x = 189,075,177,394.18
  5. Step 5: Solve for x
    x = 189,075,177,394.18/500,246.08
  6. Step 6: Final answer
    x = 377,964.34

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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.