Home / 840,042.36-1,260,068.10-208,956.18

Finding the Fourth Proportional to 840,042.36, 1,260,068.10 and 208,956.18

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Solution

The fourth proportional to 840,042.36, 1,260,068.10 and 208,956.18 is: 313,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,042.36 : 1,260,068.10 = 208,956.18 : x
  2. Step 2: Convert to fraction form
    840,042.36/1,260,068.10 = 208,956.18/x
  3. Step 3: Cross multiply
    840,042.36x = 1,260,068.10 × 208,956.18
  4. Step 4: Simplify right side
    840,042.36x = 263,299,016,715.86
  5. Step 5: Solve for x
    x = 263,299,016,715.86/840,042.36
  6. Step 6: Final answer
    x = 313,435.40

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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.