Home / 699,689.32-1,048,868.76-273,498.30

Finding the Fourth Proportional to 699,689.32, 1,048,868.76 and 273,498.30

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Solution

The fourth proportional to 699,689.32, 1,048,868.76 and 273,498.30 is: 409,987.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,689.32 : 1,048,868.76 = 273,498.30 : x
  2. Step 2: Convert to fraction form
    699,689.32/1,048,868.76 = 273,498.30/x
  3. Step 3: Cross multiply
    699,689.32x = 1,048,868.76 × 273,498.30
  4. Step 4: Simplify right side
    699,689.32x = 286,863,822,783.11
  5. Step 5: Solve for x
    x = 286,863,822,783.11/699,689.32
  6. Step 6: Final answer
    x = 409,987.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.