Home / 1,016,372.32-1,402,584.06-557,477.38

Finding the Fourth Proportional to 1,016,372.32, 1,402,584.06 and 557,477.38

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Solution

The fourth proportional to 1,016,372.32, 1,402,584.06 and 557,477.38 is: 769,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,372.32 : 1,402,584.06 = 557,477.38 : x
  2. Step 2: Convert to fraction form
    1,016,372.32/1,402,584.06 = 557,477.38/x
  3. Step 3: Cross multiply
    1,016,372.32x = 1,402,584.06 × 557,477.38
  4. Step 4: Simplify right side
    1,016,372.32x = 781,908,886,998.56
  5. Step 5: Solve for x
    x = 781,908,886,998.56/1,016,372.32
  6. Step 6: Final answer
    x = 769,313.44

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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.