Home / 569,741.96-786,259.68-315,109.28

Finding the Fourth Proportional to 569,741.96, 786,259.68 and 315,109.28

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Solution

The fourth proportional to 569,741.96, 786,259.68 and 315,109.28 is: 434,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,741.96 : 786,259.68 = 315,109.28 : x
  2. Step 2: Convert to fraction form
    569,741.96/786,259.68 = 315,109.28/x
  3. Step 3: Cross multiply
    569,741.96x = 786,259.68 × 315,109.28
  4. Step 4: Simplify right side
    569,741.96x = 247,757,721,657.83
  5. Step 5: Solve for x
    x = 247,757,721,657.83/569,741.96
  6. Step 6: Final answer
    x = 434,859.53

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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.