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Finding the Fourth Proportional to 600,246.60, 828,411.78 and 345,647.40

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Solution

The fourth proportional to 600,246.60, 828,411.78 and 345,647.40 is: 477,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,246.60 : 828,411.78 = 345,647.40 : x
  2. Step 2: Convert to fraction form
    600,246.60/828,411.78 = 345,647.40/x
  3. Step 3: Cross multiply
    600,246.60x = 828,411.78 × 345,647.40
  4. Step 4: Simplify right side
    600,246.60x = 286,338,377,886.37
  5. Step 5: Solve for x
    x = 286,338,377,886.37/600,246.60
  6. Step 6: Final answer
    x = 477,034.57

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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.