Home / 781,848.36-1,079,052.50-437,815.30

Finding the Fourth Proportional to 781,848.36, 1,079,052.50 and 437,815.30

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Solution

The fourth proportional to 781,848.36, 1,079,052.50 and 437,815.30 is: 604,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,848.36 : 1,079,052.50 = 437,815.30 : x
  2. Step 2: Convert to fraction form
    781,848.36/1,079,052.50 = 437,815.30/x
  3. Step 3: Cross multiply
    781,848.36x = 1,079,052.50 × 437,815.30
  4. Step 4: Simplify right side
    781,848.36x = 472,425,694,003.25
  5. Step 5: Solve for x
    x = 472,425,694,003.25/781,848.36
  6. Step 6: Final answer
    x = 604,242.10

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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.