Home / 657,768.06-907,720.83-355,962.06

Finding the Fourth Proportional to 657,768.06, 907,720.83 and 355,962.06

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Solution

The fourth proportional to 657,768.06, 907,720.83 and 355,962.06 is: 491,228.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,768.06 : 907,720.83 = 355,962.06 : x
  2. Step 2: Convert to fraction form
    657,768.06/907,720.83 = 355,962.06/x
  3. Step 3: Cross multiply
    657,768.06x = 907,720.83 × 355,962.06
  4. Step 4: Simplify right side
    657,768.06x = 323,114,176,551.71
  5. Step 5: Solve for x
    x = 323,114,176,551.71/657,768.06
  6. Step 6: Final answer
    x = 491,228.13

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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.