Home / 831,837.60-1,247,752.35-326,041.20

Finding the Fourth Proportional to 831,837.60, 1,247,752.35 and 326,041.20

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Solution

The fourth proportional to 831,837.60, 1,247,752.35 and 326,041.20 is: 489,060.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,837.60 : 1,247,752.35 = 326,041.20 : x
  2. Step 2: Convert to fraction form
    831,837.60/1,247,752.35 = 326,041.20/x
  3. Step 3: Cross multiply
    831,837.60x = 1,247,752.35 × 326,041.20
  4. Step 4: Simplify right side
    831,837.60x = 406,818,673,496.82
  5. Step 5: Solve for x
    x = 406,818,673,496.82/831,837.60
  6. Step 6: Final answer
    x = 489,060.21

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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.