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Finding the Fourth Proportional to 600,120.80, 828,245.04 and 345,482.72

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Solution

The fourth proportional to 600,120.80, 828,245.04 and 345,482.72 is: 476,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,120.80 : 828,245.04 = 345,482.72 : x
  2. Step 2: Convert to fraction form
    600,120.80/828,245.04 = 345,482.72/x
  3. Step 3: Cross multiply
    600,120.80x = 828,245.04 × 345,482.72
  4. Step 4: Simplify right side
    600,120.80x = 286,144,349,245.71
  5. Step 5: Solve for x
    x = 286,144,349,245.71/600,120.80
  6. Step 6: Final answer
    x = 476,811.25

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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.