Home / 915,973.35-1,374,018.83-242,037.43

Finding the Fourth Proportional to 915,973.35, 1,374,018.83 and 242,037.43

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Solution

The fourth proportional to 915,973.35, 1,374,018.83 and 242,037.43 is: 363,071.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,973.35 : 1,374,018.83 = 242,037.43 : x
  2. Step 2: Convert to fraction form
    915,973.35/1,374,018.83 = 242,037.43/x
  3. Step 3: Cross multiply
    915,973.35x = 1,374,018.83 × 242,037.43
  4. Step 4: Simplify right side
    915,973.35x = 332,563,986,384.81
  5. Step 5: Solve for x
    x = 332,563,986,384.81/915,973.35
  6. Step 6: Final answer
    x = 363,071.68

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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.