Home / 726,576.95-1,089,373.35-371,298.80

Finding the Fourth Proportional to 726,576.95, 1,089,373.35 and 371,298.80

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Solution

The fourth proportional to 726,576.95, 1,089,373.35 and 371,298.80 is: 556,696.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,576.95 : 1,089,373.35 = 371,298.80 : x
  2. Step 2: Convert to fraction form
    726,576.95/1,089,373.35 = 371,298.80/x
  3. Step 3: Cross multiply
    726,576.95x = 1,089,373.35 × 371,298.80
  4. Step 4: Simplify right side
    726,576.95x = 404,483,017,606.98
  5. Step 5: Solve for x
    x = 404,483,017,606.98/726,576.95
  6. Step 6: Final answer
    x = 556,696.74

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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.