Home / 757,359.24-1,045,126.98-470,813.64

Finding the Fourth Proportional to 757,359.24, 1,045,126.98 and 470,813.64

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Solution

The fourth proportional to 757,359.24, 1,045,126.98 and 470,813.64 is: 649,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,359.24 : 1,045,126.98 = 470,813.64 : x
  2. Step 2: Convert to fraction form
    757,359.24/1,045,126.98 = 470,813.64/x
  3. Step 3: Cross multiply
    757,359.24x = 1,045,126.98 × 470,813.64
  4. Step 4: Simplify right side
    757,359.24x = 492,060,037,716.01
  5. Step 5: Solve for x
    x = 492,060,037,716.01/757,359.24
  6. Step 6: Final answer
    x = 649,704.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.