Home / 879,242.80-1,318,864.20-346,586.80

Finding the Fourth Proportional to 879,242.80, 1,318,864.20 and 346,586.80

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Solution

The fourth proportional to 879,242.80, 1,318,864.20 and 346,586.80 is: 519,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,242.80 : 1,318,864.20 = 346,586.80 : x
  2. Step 2: Convert to fraction form
    879,242.80/1,318,864.20 = 346,586.80/x
  3. Step 3: Cross multiply
    879,242.80x = 1,318,864.20 × 346,586.80
  4. Step 4: Simplify right side
    879,242.80x = 457,100,922,712.56
  5. Step 5: Solve for x
    x = 457,100,922,712.56/879,242.80
  6. Step 6: Final answer
    x = 519,880.20

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Similar ratio
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1.5x scale

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.