Home / 575,822.13-794,632.31-317,715.15

Finding the Fourth Proportional to 575,822.13, 794,632.31 and 317,715.15

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Solution

The fourth proportional to 575,822.13, 794,632.31 and 317,715.15 is: 438,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,822.13 : 794,632.31 = 317,715.15 : x
  2. Step 2: Convert to fraction form
    575,822.13/794,632.31 = 317,715.15/x
  3. Step 3: Cross multiply
    575,822.13x = 794,632.31 × 317,715.15
  4. Step 4: Simplify right side
    575,822.13x = 252,466,719,742.37
  5. Step 5: Solve for x
    x = 252,466,719,742.37/575,822.13
  6. Step 6: Final answer
    x = 438,445.67

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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.