Home / 531,276.48-796,969.80-306,889.20

Finding the Fourth Proportional to 531,276.48, 796,969.80 and 306,889.20

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Solution

The fourth proportional to 531,276.48, 796,969.80 and 306,889.20 is: 460,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,276.48 : 796,969.80 = 306,889.20 : x
  2. Step 2: Convert to fraction form
    531,276.48/796,969.80 = 306,889.20/x
  3. Step 3: Cross multiply
    531,276.48x = 796,969.80 × 306,889.20
  4. Step 4: Simplify right side
    531,276.48x = 244,581,424,346.16
  5. Step 5: Solve for x
    x = 244,581,424,346.16/531,276.48
  6. Step 6: Final answer
    x = 460,365.62

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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.