Home / 459,111.29-688,783.65-269,731.67

Finding the Fourth Proportional to 459,111.29, 688,783.65 and 269,731.67

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Solution

The fourth proportional to 459,111.29, 688,783.65 and 269,731.67 is: 404,666.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,111.29 : 688,783.65 = 269,731.67 : x
  2. Step 2: Convert to fraction form
    459,111.29/688,783.65 = 269,731.67/x
  3. Step 3: Cross multiply
    459,111.29x = 688,783.65 × 269,731.67
  4. Step 4: Simplify right side
    459,111.29x = 185,786,765,119.43
  5. Step 5: Solve for x
    x = 185,786,765,119.43/459,111.29
  6. Step 6: Final answer
    x = 404,666.08

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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.