Home / 631,068.12-870,986.25-372,934.08

Finding the Fourth Proportional to 631,068.12, 870,986.25 and 372,934.08

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Solution

The fourth proportional to 631,068.12, 870,986.25 and 372,934.08 is: 514,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,068.12 : 870,986.25 = 372,934.08 : x
  2. Step 2: Convert to fraction form
    631,068.12/870,986.25 = 372,934.08/x
  3. Step 3: Cross multiply
    631,068.12x = 870,986.25 × 372,934.08
  4. Step 4: Simplify right side
    631,068.12x = 324,820,455,836.40
  5. Step 5: Solve for x
    x = 324,820,455,836.40/631,068.12
  6. Step 6: Final answer
    x = 514,715.36

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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.