Home / 699,633.80-1,050,228.30-433,694.60

Finding the Fourth Proportional to 699,633.80, 1,050,228.30 and 433,694.60

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Solution

The fourth proportional to 699,633.80, 1,050,228.30 and 433,694.60 is: 651,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,633.80 : 1,050,228.30 = 433,694.60 : x
  2. Step 2: Convert to fraction form
    699,633.80/1,050,228.30 = 433,694.60/x
  3. Step 3: Cross multiply
    699,633.80x = 1,050,228.30 × 433,694.60
  4. Step 4: Simplify right side
    699,633.80x = 455,478,342,477.18
  5. Step 5: Solve for x
    x = 455,478,342,477.18/699,633.80
  6. Step 6: Final answer
    x = 651,023.92

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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.