Home / 560,211.28-773,091.40-305,562.32

Finding the Fourth Proportional to 560,211.28, 773,091.40 and 305,562.32

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Solution

The fourth proportional to 560,211.28, 773,091.40 and 305,562.32 is: 421,675.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,211.28 : 773,091.40 = 305,562.32 : x
  2. Step 2: Convert to fraction form
    560,211.28/773,091.40 = 305,562.32/x
  3. Step 3: Cross multiply
    560,211.28x = 773,091.40 × 305,562.32
  4. Step 4: Simplify right side
    560,211.28x = 236,227,601,756.05
  5. Step 5: Solve for x
    x = 236,227,601,756.05/560,211.28
  6. Step 6: Final answer
    x = 421,675.91

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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.