Home / 692,631.47-1,039,006.44-243,313.27

Finding the Fourth Proportional to 692,631.47, 1,039,006.44 and 243,313.27

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Solution

The fourth proportional to 692,631.47, 1,039,006.44 and 243,313.27 is: 364,990.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,631.47 : 1,039,006.44 = 243,313.27 : x
  2. Step 2: Convert to fraction form
    692,631.47/1,039,006.44 = 243,313.27/x
  3. Step 3: Cross multiply
    692,631.47x = 1,039,006.44 × 243,313.27
  4. Step 4: Simplify right side
    692,631.47x = 252,804,051,869.94
  5. Step 5: Solve for x
    x = 252,804,051,869.94/692,631.47
  6. Step 6: Final answer
    x = 364,990.71

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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.