Home / 878,251.70-1,211,971.58-496,270.28

Finding the Fourth Proportional to 878,251.70, 1,211,971.58 and 496,270.28

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Solution

The fourth proportional to 878,251.70, 1,211,971.58 and 496,270.28 is: 684,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,251.70 : 1,211,971.58 = 496,270.28 : x
  2. Step 2: Convert to fraction form
    878,251.70/1,211,971.58 = 496,270.28/x
  3. Step 3: Cross multiply
    878,251.70x = 1,211,971.58 × 496,270.28
  4. Step 4: Simplify right side
    878,251.70x = 601,465,475,358.64
  5. Step 5: Solve for x
    x = 601,465,475,358.64/878,251.70
  6. Step 6: Final answer
    x = 684,844.08

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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.