Home / 858,267.81-1,287,626.06-498,092.43

Finding the Fourth Proportional to 858,267.81, 1,287,626.06 and 498,092.43

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Solution

The fourth proportional to 858,267.81, 1,287,626.06 and 498,092.43 is: 747,268.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,267.81 : 1,287,626.06 = 498,092.43 : x
  2. Step 2: Convert to fraction form
    858,267.81/1,287,626.06 = 498,092.43/x
  3. Step 3: Cross multiply
    858,267.81x = 1,287,626.06 × 498,092.43
  4. Step 4: Simplify right side
    858,267.81x = 641,356,790,666.26
  5. Step 5: Solve for x
    x = 641,356,790,666.26/858,267.81
  6. Step 6: Final answer
    x = 747,268.84

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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.