Home / 305,688.20-458,532.30-284,952.20

Finding the Fourth Proportional to 305,688.20, 458,532.30 and 284,952.20

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Solution

The fourth proportional to 305,688.20, 458,532.30 and 284,952.20 is: 427,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,688.20 : 458,532.30 = 284,952.20 : x
  2. Step 2: Convert to fraction form
    305,688.20/458,532.30 = 284,952.20/x
  3. Step 3: Cross multiply
    305,688.20x = 458,532.30 × 284,952.20
  4. Step 4: Simplify right side
    305,688.20x = 130,659,787,656.06
  5. Step 5: Solve for x
    x = 130,659,787,656.06/305,688.20
  6. Step 6: Final answer
    x = 427,428.30

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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.