Home / 428,713.08-591,581.43-247,483.40

Finding the Fourth Proportional to 428,713.08, 591,581.43 and 247,483.40

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Solution

The fourth proportional to 428,713.08, 591,581.43 and 247,483.40 is: 341,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,713.08 : 591,581.43 = 247,483.40 : x
  2. Step 2: Convert to fraction form
    428,713.08/591,581.43 = 247,483.40/x
  3. Step 3: Cross multiply
    428,713.08x = 591,581.43 × 247,483.40
  4. Step 4: Simplify right side
    428,713.08x = 146,406,580,715.36
  5. Step 5: Solve for x
    x = 146,406,580,715.36/428,713.08
  6. Step 6: Final answer
    x = 341,502.48

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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.