Home / 711,010.40-1,066,515.28-284,738.24

Finding the Fourth Proportional to 711,010.40, 1,066,515.28 and 284,738.24

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Solution

The fourth proportional to 711,010.40, 1,066,515.28 and 284,738.24 is: 427,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,010.40 : 1,066,515.28 = 284,738.24 : x
  2. Step 2: Convert to fraction form
    711,010.40/1,066,515.28 = 284,738.24/x
  3. Step 3: Cross multiply
    711,010.40x = 1,066,515.28 × 284,738.24
  4. Step 4: Simplify right side
    711,010.40x = 303,677,683,760.31
  5. Step 5: Solve for x
    x = 303,677,683,760.31/711,010.40
  6. Step 6: Final answer
    x = 427,107.23

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Double scale
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1.5x scale

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.