Home / 571,795.32-789,172.02-317,228.52

Finding the Fourth Proportional to 571,795.32, 789,172.02 and 317,228.52

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Solution

The fourth proportional to 571,795.32, 789,172.02 and 317,228.52 is: 437,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,795.32 : 789,172.02 = 317,228.52 : x
  2. Step 2: Convert to fraction form
    571,795.32/789,172.02 = 317,228.52/x
  3. Step 3: Cross multiply
    571,795.32x = 789,172.02 × 317,228.52
  4. Step 4: Simplify right side
    571,795.32x = 250,347,871,930.01
  5. Step 5: Solve for x
    x = 250,347,871,930.01/571,795.32
  6. Step 6: Final answer
    x = 437,827.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.