Home / 637,268.06-879,429.87-346,880.76

Finding the Fourth Proportional to 637,268.06, 879,429.87 and 346,880.76

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Solution

The fourth proportional to 637,268.06, 879,429.87 and 346,880.76 is: 478,695.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,268.06 : 879,429.87 = 346,880.76 : x
  2. Step 2: Convert to fraction form
    637,268.06/879,429.87 = 346,880.76/x
  3. Step 3: Cross multiply
    637,268.06x = 879,429.87 × 346,880.76
  4. Step 4: Simplify right side
    637,268.06x = 305,057,301,672.30
  5. Step 5: Solve for x
    x = 305,057,301,672.30/637,268.06
  6. Step 6: Final answer
    x = 478,695.42

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Similar ratio
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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.