Home / 657,262.55-907,091.36-385,341.91

Finding the Fourth Proportional to 657,262.55, 907,091.36 and 385,341.91

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Solution

The fourth proportional to 657,262.55, 907,091.36 and 385,341.91 is: 531,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,262.55 : 907,091.36 = 385,341.91 : x
  2. Step 2: Convert to fraction form
    657,262.55/907,091.36 = 385,341.91/x
  3. Step 3: Cross multiply
    657,262.55x = 907,091.36 × 385,341.91
  4. Step 4: Simplify right side
    657,262.55x = 349,540,314,457.49
  5. Step 5: Solve for x
    x = 349,540,314,457.49/657,262.55
  6. Step 6: Final answer
    x = 531,812.31

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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.