Home / 510,848.34-766,272.72-210,999.40

Finding the Fourth Proportional to 510,848.34, 766,272.72 and 210,999.40

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Solution

The fourth proportional to 510,848.34, 766,272.72 and 210,999.40 is: 316,499.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,848.34 : 766,272.72 = 210,999.40 : x
  2. Step 2: Convert to fraction form
    510,848.34/766,272.72 = 210,999.40/x
  3. Step 3: Cross multiply
    510,848.34x = 766,272.72 × 210,999.40
  4. Step 4: Simplify right side
    510,848.34x = 161,683,084,156.37
  5. Step 5: Solve for x
    x = 161,683,084,156.37/510,848.34
  6. Step 6: Final answer
    x = 316,499.19

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Half scale
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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.