Home / 778,830.70-1,168,246.05-335,598.70

Finding the Fourth Proportional to 778,830.70, 1,168,246.05 and 335,598.70

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Solution

The fourth proportional to 778,830.70, 1,168,246.05 and 335,598.70 is: 503,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,830.70 : 1,168,246.05 = 335,598.70 : x
  2. Step 2: Convert to fraction form
    778,830.70/1,168,246.05 = 335,598.70/x
  3. Step 3: Cross multiply
    778,830.70x = 1,168,246.05 × 335,598.70
  4. Step 4: Simplify right side
    778,830.70x = 392,061,855,660.14
  5. Step 5: Solve for x
    x = 392,061,855,660.14/778,830.70
  6. Step 6: Final answer
    x = 503,398.05

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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.