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Finding the Fourth Proportional to 758,403, 1,046,596.14 and 418,893.12

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Solution

The fourth proportional to 758,403, 1,046,596.14 and 418,893.12 is: 578,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,403 : 1,046,596.14 = 418,893.12 : x
  2. Step 2: Convert to fraction form
    758,403/1,046,596.14 = 418,893.12/x
  3. Step 3: Cross multiply
    758,403x = 1,046,596.14 × 418,893.12
  4. Step 4: Simplify right side
    758,403x = 438,411,922,464.56
  5. Step 5: Solve for x
    x = 438,411,922,464.56/758,403
  6. Step 6: Final answer
    x = 578,072.51

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Double scale
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Similar ratio
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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.