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Finding the Fourth Proportional to 617,906.90, 926,860.35 and 497,638.10

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Solution

The fourth proportional to 617,906.90, 926,860.35 and 497,638.10 is: 746,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,906.90 : 926,860.35 = 497,638.10 : x
  2. Step 2: Convert to fraction form
    617,906.90/926,860.35 = 497,638.10/x
  3. Step 3: Cross multiply
    617,906.90x = 926,860.35 × 497,638.10
  4. Step 4: Simplify right side
    617,906.90x = 461,241,023,539.34
  5. Step 5: Solve for x
    x = 461,241,023,539.34/617,906.90
  6. Step 6: Final answer
    x = 746,457.15

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.