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Finding the Fourth Proportional to 476,715.60, 657,926.10 and 275,511.60

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Solution

The fourth proportional to 476,715.60, 657,926.10 and 275,511.60 is: 380,239.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,715.60 : 657,926.10 = 275,511.60 : x
  2. Step 2: Convert to fraction form
    476,715.60/657,926.10 = 275,511.60/x
  3. Step 3: Cross multiply
    476,715.60x = 657,926.10 × 275,511.60
  4. Step 4: Simplify right side
    476,715.60x = 181,266,272,492.76
  5. Step 5: Solve for x
    x = 181,266,272,492.76/476,715.60
  6. Step 6: Final answer
    x = 380,239.86

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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.