Home / 790,770.05-1,091,343.23-570,188.79

Finding the Fourth Proportional to 790,770.05, 1,091,343.23 and 570,188.79

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Solution

The fourth proportional to 790,770.05, 1,091,343.23 and 570,188.79 is: 786,918.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,770.05 : 1,091,343.23 = 570,188.79 : x
  2. Step 2: Convert to fraction form
    790,770.05/1,091,343.23 = 570,188.79/x
  3. Step 3: Cross multiply
    790,770.05x = 1,091,343.23 × 570,188.79
  4. Step 4: Simplify right side
    790,770.05x = 622,271,672,937.45
  5. Step 5: Solve for x
    x = 622,271,672,937.45/790,770.05
  6. Step 6: Final answer
    x = 786,918.62

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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.