Home / 779,442.32-1,169,240.28-323,939.60

Finding the Fourth Proportional to 779,442.32, 1,169,240.28 and 323,939.60

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Solution

The fourth proportional to 779,442.32, 1,169,240.28 and 323,939.60 is: 485,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,442.32 : 1,169,240.28 = 323,939.60 : x
  2. Step 2: Convert to fraction form
    779,442.32/1,169,240.28 = 323,939.60/x
  3. Step 3: Cross multiply
    779,442.32x = 1,169,240.28 × 323,939.60
  4. Step 4: Simplify right side
    779,442.32x = 378,763,228,607.09
  5. Step 5: Solve for x
    x = 378,763,228,607.09/779,442.32
  6. Step 6: Final answer
    x = 485,941.32

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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.