Home / 781,847.36-1,079,051.12-437,814.30

Finding the Fourth Proportional to 781,847.36, 1,079,051.12 and 437,814.30

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Solution

The fourth proportional to 781,847.36, 1,079,051.12 and 437,814.30 is: 604,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,847.36 : 1,079,051.12 = 437,814.30 : x
  2. Step 2: Convert to fraction form
    781,847.36/1,079,051.12 = 437,814.30/x
  3. Step 3: Cross multiply
    781,847.36x = 1,079,051.12 × 437,814.30
  4. Step 4: Simplify right side
    781,847.36x = 472,424,010,767.02
  5. Step 5: Solve for x
    x = 472,424,010,767.02/781,847.36
  6. Step 6: Final answer
    x = 604,240.72

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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.