Home / 831,041.32-1,146,581.40-508,415.08

Finding the Fourth Proportional to 831,041.32, 1,146,581.40 and 508,415.08

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Solution

The fourth proportional to 831,041.32, 1,146,581.40 and 508,415.08 is: 701,456.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,041.32 : 1,146,581.40 = 508,415.08 : x
  2. Step 2: Convert to fraction form
    831,041.32/1,146,581.40 = 508,415.08/x
  3. Step 3: Cross multiply
    831,041.32x = 1,146,581.40 × 508,415.08
  4. Step 4: Simplify right side
    831,041.32x = 582,939,274,207.51
  5. Step 5: Solve for x
    x = 582,939,274,207.51/831,041.32
  6. Step 6: Final answer
    x = 701,456.43

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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.