Home / 412,810.32-569,701.20-310,652

Finding the Fourth Proportional to 412,810.32, 569,701.20 and 310,652

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Solution

The fourth proportional to 412,810.32, 569,701.20 and 310,652 is: 428,717.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,810.32 : 569,701.20 = 310,652 : x
  2. Step 2: Convert to fraction form
    412,810.32/569,701.20 = 310,652/x
  3. Step 3: Cross multiply
    412,810.32x = 569,701.20 × 310,652
  4. Step 4: Simplify right side
    412,810.32x = 176,978,817,182.40
  5. Step 5: Solve for x
    x = 176,978,817,182.40/412,810.32
  6. Step 6: Final answer
    x = 428,717.04

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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.