Home / 486,962.59-671,996.65-266,190.07

Finding the Fourth Proportional to 486,962.59, 671,996.65 and 266,190.07

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Solution

The fourth proportional to 486,962.59, 671,996.65 and 266,190.07 is: 367,335.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,962.59 : 671,996.65 = 266,190.07 : x
  2. Step 2: Convert to fraction form
    486,962.59/671,996.65 = 266,190.07/x
  3. Step 3: Cross multiply
    486,962.59x = 671,996.65 × 266,190.07
  4. Step 4: Simplify right side
    486,962.59x = 178,878,835,858.23
  5. Step 5: Solve for x
    x = 178,878,835,858.23/486,962.59
  6. Step 6: Final answer
    x = 367,335.89

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1.5x scale

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.