Home / 760,654.20-1,140,981.30-713,998.20

Finding the Fourth Proportional to 760,654.20, 1,140,981.30 and 713,998.20

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Solution

The fourth proportional to 760,654.20, 1,140,981.30 and 713,998.20 is: 1,070,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,654.20 : 1,140,981.30 = 713,998.20 : x
  2. Step 2: Convert to fraction form
    760,654.20/1,140,981.30 = 713,998.20/x
  3. Step 3: Cross multiply
    760,654.20x = 1,140,981.30 × 713,998.20
  4. Step 4: Simplify right side
    760,654.20x = 814,658,594,433.66
  5. Step 5: Solve for x
    x = 814,658,594,433.66/760,654.20
  6. Step 6: Final answer
    x = 1,070,997.30

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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.