Home / 903,539.20-1,355,846.40-342,630.40

Finding the Fourth Proportional to 903,539.20, 1,355,846.40 and 342,630.40

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Solution

The fourth proportional to 903,539.20, 1,355,846.40 and 342,630.40 is: 514,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,539.20 : 1,355,846.40 = 342,630.40 : x
  2. Step 2: Convert to fraction form
    903,539.20/1,355,846.40 = 342,630.40/x
  3. Step 3: Cross multiply
    903,539.20x = 1,355,846.40 × 342,630.40
  4. Step 4: Simplify right side
    903,539.20x = 464,554,194,370.56
  5. Step 5: Solve for x
    x = 464,554,194,370.56/903,539.20
  6. Step 6: Final answer
    x = 514,149.46

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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.