Home / 827,088.80-1,240,513.32-266,050.40

Finding the Fourth Proportional to 827,088.80, 1,240,513.32 and 266,050.40

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Solution

The fourth proportional to 827,088.80, 1,240,513.32 and 266,050.40 is: 399,037.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,088.80 : 1,240,513.32 = 266,050.40 : x
  2. Step 2: Convert to fraction form
    827,088.80/1,240,513.32 = 266,050.40/x
  3. Step 3: Cross multiply
    827,088.80x = 1,240,513.32 × 266,050.40
  4. Step 4: Simplify right side
    827,088.80x = 330,039,064,991.33
  5. Step 5: Solve for x
    x = 330,039,064,991.33/827,088.80
  6. Step 6: Final answer
    x = 399,037.04

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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.