Home / 699,340.86-1,049,011.20-462,628.26

Finding the Fourth Proportional to 699,340.86, 1,049,011.20 and 462,628.26

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Solution

The fourth proportional to 699,340.86, 1,049,011.20 and 462,628.26 is: 693,942.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,340.86 : 1,049,011.20 = 462,628.26 : x
  2. Step 2: Convert to fraction form
    699,340.86/1,049,011.20 = 462,628.26/x
  3. Step 3: Cross multiply
    699,340.86x = 1,049,011.20 × 462,628.26
  4. Step 4: Simplify right side
    699,340.86x = 485,302,226,176.51
  5. Step 5: Solve for x
    x = 485,302,226,176.51/699,340.86
  6. Step 6: Final answer
    x = 693,942.33

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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.