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Finding the Fourth Proportional to 600,672.80, 828,966.94 and 346,019.60

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Solution

The fourth proportional to 600,672.80, 828,966.94 and 346,019.60 is: 477,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,672.80 : 828,966.94 = 346,019.60 : x
  2. Step 2: Convert to fraction form
    600,672.80/828,966.94 = 346,019.60/x
  3. Step 3: Cross multiply
    600,672.80x = 828,966.94 × 346,019.60
  4. Step 4: Simplify right side
    600,672.80x = 286,838,808,992.02
  5. Step 5: Solve for x
    x = 286,838,808,992.02/600,672.80
  6. Step 6: Final answer
    x = 477,529.21

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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.