Home / 843,808.72-1,164,451.80-456,623.86

Finding the Fourth Proportional to 843,808.72, 1,164,451.80 and 456,623.86

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Solution

The fourth proportional to 843,808.72, 1,164,451.80 and 456,623.86 is: 630,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,808.72 : 1,164,451.80 = 456,623.86 : x
  2. Step 2: Convert to fraction form
    843,808.72/1,164,451.80 = 456,623.86/x
  3. Step 3: Cross multiply
    843,808.72x = 1,164,451.80 × 456,623.86
  4. Step 4: Simplify right side
    843,808.72x = 531,716,475,699.95
  5. Step 5: Solve for x
    x = 531,716,475,699.95/843,808.72
  6. Step 6: Final answer
    x = 630,138.64

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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.