Home / 950,152.86-1,311,221.79-542,309.76

Finding the Fourth Proportional to 950,152.86, 1,311,221.79 and 542,309.76

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Solution

The fourth proportional to 950,152.86, 1,311,221.79 and 542,309.76 is: 748,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,152.86 : 1,311,221.79 = 542,309.76 : x
  2. Step 2: Convert to fraction form
    950,152.86/1,311,221.79 = 542,309.76/x
  3. Step 3: Cross multiply
    950,152.86x = 1,311,221.79 × 542,309.76
  4. Step 4: Simplify right side
    950,152.86x = 711,088,374,241.67
  5. Step 5: Solve for x
    x = 711,088,374,241.67/950,152.86
  6. Step 6: Final answer
    x = 748,393.66

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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.