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Finding the Fourth Proportional to 438,364.88, 604,909.08 and 268,575.92

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Solution

The fourth proportional to 438,364.88, 604,909.08 and 268,575.92 is: 370,613.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,364.88 : 604,909.08 = 268,575.92 : x
  2. Step 2: Convert to fraction form
    438,364.88/604,909.08 = 268,575.92/x
  3. Step 3: Cross multiply
    438,364.88x = 604,909.08 × 268,575.92
  4. Step 4: Simplify right side
    438,364.88x = 162,464,012,677.35
  5. Step 5: Solve for x
    x = 162,464,012,677.35/438,364.88
  6. Step 6: Final answer
    x = 370,613.66

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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.