Home / 456,526.08-629,899.20-275,189.76

Finding the Fourth Proportional to 456,526.08, 629,899.20 and 275,189.76

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Solution

The fourth proportional to 456,526.08, 629,899.20 and 275,189.76 is: 379,697.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,526.08 : 629,899.20 = 275,189.76 : x
  2. Step 2: Convert to fraction form
    456,526.08/629,899.20 = 275,189.76/x
  3. Step 3: Cross multiply
    456,526.08x = 629,899.20 × 275,189.76
  4. Step 4: Simplify right side
    456,526.08x = 173,341,809,672.19
  5. Step 5: Solve for x
    x = 173,341,809,672.19/456,526.08
  6. Step 6: Final answer
    x = 379,697.50

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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.