Home / 745,875.80-1,118,923.96-272,450.44

Finding the Fourth Proportional to 745,875.80, 1,118,923.96 and 272,450.44

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Solution

The fourth proportional to 745,875.80, 1,118,923.96 and 272,450.44 is: 408,715.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,875.80 : 1,118,923.96 = 272,450.44 : x
  2. Step 2: Convert to fraction form
    745,875.80/1,118,923.96 = 272,450.44/x
  3. Step 3: Cross multiply
    745,875.80x = 1,118,923.96 × 272,450.44
  4. Step 4: Simplify right side
    745,875.80x = 304,851,325,228.54
  5. Step 5: Solve for x
    x = 304,851,325,228.54/745,875.80
  6. Step 6: Final answer
    x = 408,715.94

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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.