Home / 572,330.90-858,107.55-217,291.70

Finding the Fourth Proportional to 572,330.90, 858,107.55 and 217,291.70

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Solution

The fourth proportional to 572,330.90, 858,107.55 and 217,291.70 is: 325,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,330.90 : 858,107.55 = 217,291.70 : x
  2. Step 2: Convert to fraction form
    572,330.90/858,107.55 = 217,291.70/x
  3. Step 3: Cross multiply
    572,330.90x = 858,107.55 × 217,291.70
  4. Step 4: Simplify right side
    572,330.90x = 186,459,648,322.34
  5. Step 5: Solve for x
    x = 186,459,648,322.34/572,330.90
  6. Step 6: Final answer
    x = 325,789.94

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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.