Home / 711,106.28-1,066,659.48-284,835.68

Finding the Fourth Proportional to 711,106.28, 1,066,659.48 and 284,835.68

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Solution

The fourth proportional to 711,106.28, 1,066,659.48 and 284,835.68 is: 427,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,106.28 : 1,066,659.48 = 284,835.68 : x
  2. Step 2: Convert to fraction form
    711,106.28/1,066,659.48 = 284,835.68/x
  3. Step 3: Cross multiply
    711,106.28x = 1,066,659.48 × 284,835.68
  4. Step 4: Simplify right side
    711,106.28x = 303,822,678,314.25
  5. Step 5: Solve for x
    x = 303,822,678,314.25/711,106.28
  6. Step 6: Final answer
    x = 427,253.54

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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.