Home / 745,958.40-1,118,818.80-247,322.40

Finding the Fourth Proportional to 745,958.40, 1,118,818.80 and 247,322.40

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Solution

The fourth proportional to 745,958.40, 1,118,818.80 and 247,322.40 is: 370,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,958.40 : 1,118,818.80 = 247,322.40 : x
  2. Step 2: Convert to fraction form
    745,958.40/1,118,818.80 = 247,322.40/x
  3. Step 3: Cross multiply
    745,958.40x = 1,118,818.80 × 247,322.40
  4. Step 4: Simplify right side
    745,958.40x = 276,708,950,781.12
  5. Step 5: Solve for x
    x = 276,708,950,781.12/745,958.40
  6. Step 6: Final answer
    x = 370,944.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.