Home / 911,723.70-1,367,643.90-350,758.20

Finding the Fourth Proportional to 911,723.70, 1,367,643.90 and 350,758.20

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Solution

The fourth proportional to 911,723.70, 1,367,643.90 and 350,758.20 is: 526,159.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,723.70 : 1,367,643.90 = 350,758.20 : x
  2. Step 2: Convert to fraction form
    911,723.70/1,367,643.90 = 350,758.20/x
  3. Step 3: Cross multiply
    911,723.70x = 1,367,643.90 × 350,758.20
  4. Step 4: Simplify right side
    911,723.70x = 479,712,312,604.98
  5. Step 5: Solve for x
    x = 479,712,312,604.98/911,723.70
  6. Step 6: Final answer
    x = 526,159.75

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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.