Home / 719,944.02-1,079,916.03-276,400.98

Finding the Fourth Proportional to 719,944.02, 1,079,916.03 and 276,400.98

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Solution

The fourth proportional to 719,944.02, 1,079,916.03 and 276,400.98 is: 414,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,944.02 : 1,079,916.03 = 276,400.98 : x
  2. Step 2: Convert to fraction form
    719,944.02/1,079,916.03 = 276,400.98/x
  3. Step 3: Cross multiply
    719,944.02x = 1,079,916.03 × 276,400.98
  4. Step 4: Simplify right side
    719,944.02x = 298,489,849,009.71
  5. Step 5: Solve for x
    x = 298,489,849,009.71/719,944.02
  6. Step 6: Final answer
    x = 414,601.47

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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.