Home / 719,641.59-1,079,466.09-298,917.87

Finding the Fourth Proportional to 719,641.59, 1,079,466.09 and 298,917.87

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Solution

The fourth proportional to 719,641.59, 1,079,466.09 and 298,917.87 is: 448,378.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,641.59 : 1,079,466.09 = 298,917.87 : x
  2. Step 2: Convert to fraction form
    719,641.59/1,079,466.09 = 298,917.87/x
  3. Step 3: Cross multiply
    719,641.59x = 1,079,466.09 × 298,917.87
  4. Step 4: Simplify right side
    719,641.59x = 322,671,704,360.03
  5. Step 5: Solve for x
    x = 322,671,704,360.03/719,641.59
  6. Step 6: Final answer
    x = 448,378.34

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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.