Home / 571,830.95-789,221.39-317,264.15

Finding the Fourth Proportional to 571,830.95, 789,221.39 and 317,264.15

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Solution

The fourth proportional to 571,830.95, 789,221.39 and 317,264.15 is: 437,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,830.95 : 789,221.39 = 317,264.15 : x
  2. Step 2: Convert to fraction form
    571,830.95/789,221.39 = 317,264.15/x
  3. Step 3: Cross multiply
    571,830.95x = 789,221.39 × 317,264.15
  4. Step 4: Simplify right side
    571,830.95x = 250,391,647,927.74
  5. Step 5: Solve for x
    x = 250,391,647,927.74/571,830.95
  6. Step 6: Final answer
    x = 437,877.05

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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.