Home / 690,875.60-1,036,624.43-374,858.96

Finding the Fourth Proportional to 690,875.60, 1,036,624.43 and 374,858.96

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Solution

The fourth proportional to 690,875.60, 1,036,624.43 and 374,858.96 is: 562,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,875.60 : 1,036,624.43 = 374,858.96 : x
  2. Step 2: Convert to fraction form
    690,875.60/1,036,624.43 = 374,858.96/x
  3. Step 3: Cross multiply
    690,875.60x = 1,036,624.43 × 374,858.96
  4. Step 4: Simplify right side
    690,875.60x = 388,587,951,494.42
  5. Step 5: Solve for x
    x = 388,587,951,494.42/690,875.60
  6. Step 6: Final answer
    x = 562,457.20

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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.