Home / 571,927.89-789,258.08-317,279.08

Finding the Fourth Proportional to 571,927.89, 789,258.08 and 317,279.08

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Solution

The fourth proportional to 571,927.89, 789,258.08 and 317,279.08 is: 437,843.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,927.89 : 789,258.08 = 317,279.08 : x
  2. Step 2: Convert to fraction form
    571,927.89/789,258.08 = 317,279.08/x
  3. Step 3: Cross multiply
    571,927.89x = 789,258.08 × 317,279.08
  4. Step 4: Simplify right side
    571,927.89x = 250,415,076,325.02
  5. Step 5: Solve for x
    x = 250,415,076,325.02/571,927.89
  6. Step 6: Final answer
    x = 437,843.79

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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.