Home / 693,164.40-1,039,228.20-377,977.20

Finding the Fourth Proportional to 693,164.40, 1,039,228.20 and 377,977.20

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Solution

The fourth proportional to 693,164.40, 1,039,228.20 and 377,977.20 is: 566,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,164.40 : 1,039,228.20 = 377,977.20 : x
  2. Step 2: Convert to fraction form
    693,164.40/1,039,228.20 = 377,977.20/x
  3. Step 3: Cross multiply
    693,164.40x = 1,039,228.20 × 377,977.20
  4. Step 4: Simplify right side
    693,164.40x = 392,804,565,197.04
  5. Step 5: Solve for x
    x = 392,804,565,197.04/693,164.40
  6. Step 6: Final answer
    x = 566,683.12

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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.