Home / 726,739.70-1,090,109.55-569,102.90

Finding the Fourth Proportional to 726,739.70, 1,090,109.55 and 569,102.90

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Solution

The fourth proportional to 726,739.70, 1,090,109.55 and 569,102.90 is: 853,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,739.70 : 1,090,109.55 = 569,102.90 : x
  2. Step 2: Convert to fraction form
    726,739.70/1,090,109.55 = 569,102.90/x
  3. Step 3: Cross multiply
    726,739.70x = 1,090,109.55 × 569,102.90
  4. Step 4: Simplify right side
    726,739.70x = 620,384,506,222.70
  5. Step 5: Solve for x
    x = 620,384,506,222.70/726,739.70
  6. Step 6: Final answer
    x = 853,654.35

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1.5x scale

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.