Home / 699,089.80-1,049,412.30-433,150.60

Finding the Fourth Proportional to 699,089.80, 1,049,412.30 and 433,150.60

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Solution

The fourth proportional to 699,089.80, 1,049,412.30 and 433,150.60 is: 650,207.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,089.80 : 1,049,412.30 = 433,150.60 : x
  2. Step 2: Convert to fraction form
    699,089.80/1,049,412.30 = 433,150.60/x
  3. Step 3: Cross multiply
    699,089.80x = 1,049,412.30 × 433,150.60
  4. Step 4: Simplify right side
    699,089.80x = 454,553,567,392.38
  5. Step 5: Solve for x
    x = 454,553,567,392.38/699,089.80
  6. Step 6: Final answer
    x = 650,207.69

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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.