Home / 571,828.23-789,117.26-317,172.87

Finding the Fourth Proportional to 571,828.23, 789,117.26 and 317,172.87

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Solution

The fourth proportional to 571,828.23, 789,117.26 and 317,172.87 is: 437,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,828.23 : 789,117.26 = 317,172.87 : x
  2. Step 2: Convert to fraction form
    571,828.23/789,117.26 = 317,172.87/x
  3. Step 3: Cross multiply
    571,828.23x = 789,117.26 × 317,172.87
  4. Step 4: Simplify right side
    571,828.23x = 250,286,584,534.87
  5. Step 5: Solve for x
    x = 250,286,584,534.87/571,828.23
  6. Step 6: Final answer
    x = 437,695.40

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1.5x scale

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.