Home / 830,535.60-1,245,803.40-269,570.10

Finding the Fourth Proportional to 830,535.60, 1,245,803.40 and 269,570.10

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Solution

The fourth proportional to 830,535.60, 1,245,803.40 and 269,570.10 is: 404,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,535.60 : 1,245,803.40 = 269,570.10 : x
  2. Step 2: Convert to fraction form
    830,535.60/1,245,803.40 = 269,570.10/x
  3. Step 3: Cross multiply
    830,535.60x = 1,245,803.40 × 269,570.10
  4. Step 4: Simplify right side
    830,535.60x = 335,831,347,118.34
  5. Step 5: Solve for x
    x = 335,831,347,118.34/830,535.60
  6. Step 6: Final answer
    x = 404,355.15

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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.