Home / 690,282.96-1,035,423.48-217,009.68

Finding the Fourth Proportional to 690,282.96, 1,035,423.48 and 217,009.68

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Solution

The fourth proportional to 690,282.96, 1,035,423.48 and 217,009.68 is: 325,514.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,282.96 : 1,035,423.48 = 217,009.68 : x
  2. Step 2: Convert to fraction form
    690,282.96/1,035,423.48 = 217,009.68/x
  3. Step 3: Cross multiply
    690,282.96x = 1,035,423.48 × 217,009.68
  4. Step 4: Simplify right side
    690,282.96x = 224,696,918,059.29
  5. Step 5: Solve for x
    x = 224,696,918,059.29/690,282.96
  6. Step 6: Final answer
    x = 325,514.22

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Similar ratio
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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.