Home / 904,353.18-1,356,763.05-405,911.58

Finding the Fourth Proportional to 904,353.18, 1,356,763.05 and 405,911.58

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Solution

The fourth proportional to 904,353.18, 1,356,763.05 and 405,911.58 is: 608,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,353.18 : 1,356,763.05 = 405,911.58 : x
  2. Step 2: Convert to fraction form
    904,353.18/1,356,763.05 = 405,911.58/x
  3. Step 3: Cross multiply
    904,353.18x = 1,356,763.05 × 405,911.58
  4. Step 4: Simplify right side
    904,353.18x = 550,725,833,311.12
  5. Step 5: Solve for x
    x = 550,725,833,311.12/904,353.18
  6. Step 6: Final answer
    x = 608,972.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.