Home / 713,225.91-1,068,064.22-498,990.81

Finding the Fourth Proportional to 713,225.91, 1,068,064.22 and 498,990.81

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Solution

The fourth proportional to 713,225.91, 1,068,064.22 and 498,990.81 is: 747,244.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,225.91 : 1,068,064.22 = 498,990.81 : x
  2. Step 2: Convert to fraction form
    713,225.91/1,068,064.22 = 498,990.81/x
  3. Step 3: Cross multiply
    713,225.91x = 1,068,064.22 × 498,990.81
  4. Step 4: Simplify right side
    713,225.91x = 532,954,229,465.37
  5. Step 5: Solve for x
    x = 532,954,229,465.37/713,225.91
  6. Step 6: Final answer
    x = 747,244.63

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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.