Home / 712,971.46-983,532.54-483,451.12

Finding the Fourth Proportional to 712,971.46, 983,532.54 and 483,451.12

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Solution

The fourth proportional to 712,971.46, 983,532.54 and 483,451.12 is: 666,912.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,971.46 : 983,532.54 = 483,451.12 : x
  2. Step 2: Convert to fraction form
    712,971.46/983,532.54 = 483,451.12/x
  3. Step 3: Cross multiply
    712,971.46x = 983,532.54 × 483,451.12
  4. Step 4: Simplify right side
    712,971.46x = 475,489,908,019.45
  5. Step 5: Solve for x
    x = 475,489,908,019.45/712,971.46
  6. Step 6: Final answer
    x = 666,912.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.