Home / 571,267.89-788,348.70-313,144.65

Finding the Fourth Proportional to 571,267.89, 788,348.70 and 313,144.65

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Solution

The fourth proportional to 571,267.89, 788,348.70 and 313,144.65 is: 432,139.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,267.89 : 788,348.70 = 313,144.65 : x
  2. Step 2: Convert to fraction form
    571,267.89/788,348.70 = 313,144.65/x
  3. Step 3: Cross multiply
    571,267.89x = 788,348.70 × 313,144.65
  4. Step 4: Simplify right side
    571,267.89x = 246,867,177,739.46
  5. Step 5: Solve for x
    x = 246,867,177,739.46/571,267.89
  6. Step 6: Final answer
    x = 432,139.08

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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.