Home / 648,050.60-894,267.87-357,664.79

Finding the Fourth Proportional to 648,050.60, 894,267.87 and 357,664.79

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Solution

The fourth proportional to 648,050.60, 894,267.87 and 357,664.79 is: 493,554.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,050.60 : 894,267.87 = 357,664.79 : x
  2. Step 2: Convert to fraction form
    648,050.60/894,267.87 = 357,664.79/x
  3. Step 3: Cross multiply
    648,050.60x = 894,267.87 × 357,664.79
  4. Step 4: Simplify right side
    648,050.60x = 319,848,129,927.30
  5. Step 5: Solve for x
    x = 319,848,129,927.30/648,050.60
  6. Step 6: Final answer
    x = 493,554.25

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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.