Home / 467,529.18-645,297.57-286,340.94

Finding the Fourth Proportional to 467,529.18, 645,297.57 and 286,340.94

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Solution

The fourth proportional to 467,529.18, 645,297.57 and 286,340.94 is: 395,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,529.18 : 645,297.57 = 286,340.94 : x
  2. Step 2: Convert to fraction form
    467,529.18/645,297.57 = 286,340.94/x
  3. Step 3: Cross multiply
    467,529.18x = 645,297.57 × 286,340.94
  4. Step 4: Simplify right side
    467,529.18x = 184,775,112,773.52
  5. Step 5: Solve for x
    x = 184,775,112,773.52/467,529.18
  6. Step 6: Final answer
    x = 395,216.21

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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.