Home / 738,552.60-1,107,051.30-289,099.80

Finding the Fourth Proportional to 738,552.60, 1,107,051.30 and 289,099.80

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Solution

The fourth proportional to 738,552.60, 1,107,051.30 and 289,099.80 is: 433,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,552.60 : 1,107,051.30 = 289,099.80 : x
  2. Step 2: Convert to fraction form
    738,552.60/1,107,051.30 = 289,099.80/x
  3. Step 3: Cross multiply
    738,552.60x = 1,107,051.30 × 289,099.80
  4. Step 4: Simplify right side
    738,552.60x = 320,048,309,419.74
  5. Step 5: Solve for x
    x = 320,048,309,419.74/738,552.60
  6. Step 6: Final answer
    x = 433,345.32

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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.