Home / 388,827.60-583,241.40-262,856.40

Finding the Fourth Proportional to 388,827.60, 583,241.40 and 262,856.40

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Solution

The fourth proportional to 388,827.60, 583,241.40 and 262,856.40 is: 394,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,827.60 : 583,241.40 = 262,856.40 : x
  2. Step 2: Convert to fraction form
    388,827.60/583,241.40 = 262,856.40/x
  3. Step 3: Cross multiply
    388,827.60x = 583,241.40 × 262,856.40
  4. Step 4: Simplify right side
    388,827.60x = 153,308,734,734.96
  5. Step 5: Solve for x
    x = 153,308,734,734.96/388,827.60
  6. Step 6: Final answer
    x = 394,284.60

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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.