Home / 430,304.81-593,945.69-287,064.50

Finding the Fourth Proportional to 430,304.81, 593,945.69 and 287,064.50

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Solution

The fourth proportional to 430,304.81, 593,945.69 and 287,064.50 is: 396,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,304.81 : 593,945.69 = 287,064.50 : x
  2. Step 2: Convert to fraction form
    430,304.81/593,945.69 = 287,064.50/x
  3. Step 3: Cross multiply
    430,304.81x = 593,945.69 × 287,064.50
  4. Step 4: Simplify right side
    430,304.81x = 170,500,718,121.95
  5. Step 5: Solve for x
    x = 170,500,718,121.95/430,304.81
  6. Step 6: Final answer
    x = 396,232.43

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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.