Home / 711,379.08-981,734.58-409,670.28

Finding the Fourth Proportional to 711,379.08, 981,734.58 and 409,670.28

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Solution

The fourth proportional to 711,379.08, 981,734.58 and 409,670.28 is: 565,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,379.08 : 981,734.58 = 409,670.28 : x
  2. Step 2: Convert to fraction form
    711,379.08/981,734.58 = 409,670.28/x
  3. Step 3: Cross multiply
    711,379.08x = 981,734.58 × 409,670.28
  4. Step 4: Simplify right side
    711,379.08x = 402,187,480,274.28
  5. Step 5: Solve for x
    x = 402,187,480,274.28/711,379.08
  6. Step 6: Final answer
    x = 565,363.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.