Home / 476,511.60-657,645.26-272,534.20

Finding the Fourth Proportional to 476,511.60, 657,645.26 and 272,534.20

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Solution

The fourth proportional to 476,511.60, 657,645.26 and 272,534.20 is: 376,131.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,511.60 : 657,645.26 = 272,534.20 : x
  2. Step 2: Convert to fraction form
    476,511.60/657,645.26 = 272,534.20/x
  3. Step 3: Cross multiply
    476,511.60x = 657,645.26 × 272,534.20
  4. Step 4: Simplify right side
    476,511.60x = 179,230,824,817.89
  5. Step 5: Solve for x
    x = 179,230,824,817.89/476,511.60
  6. Step 6: Final answer
    x = 376,131.08

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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.