Home / 696,829.80-1,045,244.70-620,722.20

Finding the Fourth Proportional to 696,829.80, 1,045,244.70 and 620,722.20

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Solution

The fourth proportional to 696,829.80, 1,045,244.70 and 620,722.20 is: 931,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,829.80 : 1,045,244.70 = 620,722.20 : x
  2. Step 2: Convert to fraction form
    696,829.80/1,045,244.70 = 620,722.20/x
  3. Step 3: Cross multiply
    696,829.80x = 1,045,244.70 × 620,722.20
  4. Step 4: Simplify right side
    696,829.80x = 648,806,589,722.34
  5. Step 5: Solve for x
    x = 648,806,589,722.34/696,829.80
  6. Step 6: Final answer
    x = 931,083.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.