Home / 571,826.07-789,214.50-317,259.27

Finding the Fourth Proportional to 571,826.07, 789,214.50 and 317,259.27

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Solution

The fourth proportional to 571,826.07, 789,214.50 and 317,259.27 is: 437,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,826.07 : 789,214.50 = 317,259.27 : x
  2. Step 2: Convert to fraction form
    571,826.07/789,214.50 = 317,259.27/x
  3. Step 3: Cross multiply
    571,826.07x = 789,214.50 × 317,259.27
  4. Step 4: Simplify right side
    571,826.07x = 250,385,616,143.42
  5. Step 5: Solve for x
    x = 250,385,616,143.42/571,826.07
  6. Step 6: Final answer
    x = 437,870.24

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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.