Home / 757,280.94-1,045,053.30-417,761.34

Finding the Fourth Proportional to 757,280.94, 1,045,053.30 and 417,761.34

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Solution

The fourth proportional to 757,280.94, 1,045,053.30 and 417,761.34 is: 576,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,280.94 : 1,045,053.30 = 417,761.34 : x
  2. Step 2: Convert to fraction form
    757,280.94/1,045,053.30 = 417,761.34/x
  3. Step 3: Cross multiply
    757,280.94x = 1,045,053.30 × 417,761.34
  4. Step 4: Simplify right side
    757,280.94x = 436,582,866,979.42
  5. Step 5: Solve for x
    x = 436,582,866,979.42/757,280.94
  6. Step 6: Final answer
    x = 576,513.74

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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.