Home / 879,256.40-1,318,884.60-346,794.80

Finding the Fourth Proportional to 879,256.40, 1,318,884.60 and 346,794.80

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Solution

The fourth proportional to 879,256.40, 1,318,884.60 and 346,794.80 is: 520,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,256.40 : 1,318,884.60 = 346,794.80 : x
  2. Step 2: Convert to fraction form
    879,256.40/1,318,884.60 = 346,794.80/x
  3. Step 3: Cross multiply
    879,256.40x = 1,318,884.60 × 346,794.80
  4. Step 4: Simplify right side
    879,256.40x = 457,382,321,080.08
  5. Step 5: Solve for x
    x = 457,382,321,080.08/879,256.40
  6. Step 6: Final answer
    x = 520,192.20

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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.