Home / 726,730.81-1,090,096.56-326,904.46

Finding the Fourth Proportional to 726,730.81, 1,090,096.56 and 326,904.46

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Solution

The fourth proportional to 726,730.81, 1,090,096.56 and 326,904.46 is: 490,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,730.81 : 1,090,096.56 = 326,904.46 : x
  2. Step 2: Convert to fraction form
    726,730.81/1,090,096.56 = 326,904.46/x
  3. Step 3: Cross multiply
    726,730.81x = 1,090,096.56 × 326,904.46
  4. Step 4: Simplify right side
    726,730.81x = 356,357,423,650.00
  5. Step 5: Solve for x
    x = 356,357,423,650.00/726,730.81
  6. Step 6: Final answer
    x = 490,356.84

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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.