Home / 703,714.32-971,120.28-381,416.13

Finding the Fourth Proportional to 703,714.32, 971,120.28 and 381,416.13

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Solution

The fourth proportional to 703,714.32, 971,120.28 and 381,416.13 is: 526,351.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,714.32 : 971,120.28 = 381,416.13 : x
  2. Step 2: Convert to fraction form
    703,714.32/971,120.28 = 381,416.13/x
  3. Step 3: Cross multiply
    703,714.32x = 971,120.28 × 381,416.13
  4. Step 4: Simplify right side
    703,714.32x = 370,400,938,962.12
  5. Step 5: Solve for x
    x = 370,400,938,962.12/703,714.32
  6. Step 6: Final answer
    x = 526,351.29

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