Home / 571,144.38-788,183.91-316,499.82

Finding the Fourth Proportional to 571,144.38, 788,183.91 and 316,499.82

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Solution

The fourth proportional to 571,144.38, 788,183.91 and 316,499.82 is: 436,772.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,144.38 : 788,183.91 = 316,499.82 : x
  2. Step 2: Convert to fraction form
    571,144.38/788,183.91 = 316,499.82/x
  3. Step 3: Cross multiply
    571,144.38x = 788,183.91 × 316,499.82
  4. Step 4: Simplify right side
    571,144.38x = 249,460,065,641.90
  5. Step 5: Solve for x
    x = 249,460,065,641.90/571,144.38
  6. Step 6: Final answer
    x = 436,772.34

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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.