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Finding the Fourth Proportional to 478,266.75, 659,959.26 and 294,476.13

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Solution

The fourth proportional to 478,266.75, 659,959.26 and 294,476.13 is: 406,346.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,266.75 : 659,959.26 = 294,476.13 : x
  2. Step 2: Convert to fraction form
    478,266.75/659,959.26 = 294,476.13/x
  3. Step 3: Cross multiply
    478,266.75x = 659,959.26 × 294,476.13
  4. Step 4: Simplify right side
    478,266.75x = 194,342,248,842.46
  5. Step 5: Solve for x
    x = 194,342,248,842.46/478,266.75
  6. Step 6: Final answer
    x = 406,346.98

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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.