Home / 572,069.79-858,076.88-212,310.72

Finding the Fourth Proportional to 572,069.79, 858,076.88 and 212,310.72

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Solution

The fourth proportional to 572,069.79, 858,076.88 and 212,310.72 is: 318,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,069.79 : 858,076.88 = 212,310.72 : x
  2. Step 2: Convert to fraction form
    572,069.79/858,076.88 = 212,310.72/x
  3. Step 3: Cross multiply
    572,069.79x = 858,076.88 × 212,310.72
  4. Step 4: Simplify right side
    572,069.79x = 182,178,919,146.60
  5. Step 5: Solve for x
    x = 182,178,919,146.60/572,069.79
  6. Step 6: Final answer
    x = 318,455.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.