Home / 916,290.96-1,374,107.13-317,089.44

Finding the Fourth Proportional to 916,290.96, 1,374,107.13 and 317,089.44

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Solution

The fourth proportional to 916,290.96, 1,374,107.13 and 317,089.44 is: 475,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,290.96 : 1,374,107.13 = 317,089.44 : x
  2. Step 2: Convert to fraction form
    916,290.96/1,374,107.13 = 317,089.44/x
  3. Step 3: Cross multiply
    916,290.96x = 1,374,107.13 × 317,089.44
  4. Step 4: Simplify right side
    916,290.96x = 435,714,860,351.71
  5. Step 5: Solve for x
    x = 435,714,860,351.71/916,290.96
  6. Step 6: Final answer
    x = 475,520.20

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Double scale
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Similar ratio
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1.5x scale

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.