Home / 756,970.72-1,133,827.88-357,012.16

Finding the Fourth Proportional to 756,970.72, 1,133,827.88 and 357,012.16

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Solution

The fourth proportional to 756,970.72, 1,133,827.88 and 357,012.16 is: 534,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,970.72 : 1,133,827.88 = 357,012.16 : x
  2. Step 2: Convert to fraction form
    756,970.72/1,133,827.88 = 357,012.16/x
  3. Step 3: Cross multiply
    756,970.72x = 1,133,827.88 × 357,012.16
  4. Step 4: Simplify right side
    756,970.72x = 404,790,335,887.39
  5. Step 5: Solve for x
    x = 404,790,335,887.39/756,970.72
  6. Step 6: Final answer
    x = 534,750.32

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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.