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Finding the Fourth Proportional to 600,123.80, 828,249.18 and 345,485.72

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Solution

The fourth proportional to 600,123.80, 828,249.18 and 345,485.72 is: 476,815.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,123.80 : 828,249.18 = 345,485.72 : x
  2. Step 2: Convert to fraction form
    600,123.80/828,249.18 = 345,485.72/x
  3. Step 3: Cross multiply
    600,123.80x = 828,249.18 × 345,485.72
  4. Step 4: Simplify right side
    600,123.80x = 286,148,264,291.71
  5. Step 5: Solve for x
    x = 286,148,264,291.71/600,123.80
  6. Step 6: Final answer
    x = 476,815.39

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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.