Home / 757,666.40-1,136,501.28-308,069.96

Finding the Fourth Proportional to 757,666.40, 1,136,501.28 and 308,069.96

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Solution

The fourth proportional to 757,666.40, 1,136,501.28 and 308,069.96 is: 462,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,666.40 : 1,136,501.28 = 308,069.96 : x
  2. Step 2: Convert to fraction form
    757,666.40/1,136,501.28 = 308,069.96/x
  3. Step 3: Cross multiply
    757,666.40x = 1,136,501.28 × 308,069.96
  4. Step 4: Simplify right side
    757,666.40x = 350,121,903,869.55
  5. Step 5: Solve for x
    x = 350,121,903,869.55/757,666.40
  6. Step 6: Final answer
    x = 462,105.62

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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.