Home / 831,019.86-1,146,738.48-468,532.80

Finding the Fourth Proportional to 831,019.86, 1,146,738.48 and 468,532.80

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Solution

The fourth proportional to 831,019.86, 1,146,738.48 and 468,532.80 is: 646,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,019.86 : 1,146,738.48 = 468,532.80 : x
  2. Step 2: Convert to fraction form
    831,019.86/1,146,738.48 = 468,532.80/x
  3. Step 3: Cross multiply
    831,019.86x = 1,146,738.48 × 468,532.80
  4. Step 4: Simplify right side
    831,019.86x = 537,284,590,902.14
  5. Step 5: Solve for x
    x = 537,284,590,902.14/831,019.86
  6. Step 6: Final answer
    x = 646,536.40

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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.