Home / 637,313.80-879,504.30-346,933.76

Finding the Fourth Proportional to 637,313.80, 879,504.30 and 346,933.76

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Solution

The fourth proportional to 637,313.80, 879,504.30 and 346,933.76 is: 478,774.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,313.80 : 879,504.30 = 346,933.76 : x
  2. Step 2: Convert to fraction form
    637,313.80/879,504.30 = 346,933.76/x
  3. Step 3: Cross multiply
    637,313.80x = 879,504.30 × 346,933.76
  4. Step 4: Simplify right side
    637,313.80x = 305,129,733,735.17
  5. Step 5: Solve for x
    x = 305,129,733,735.17/637,313.80
  6. Step 6: Final answer
    x = 478,774.72

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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.