Home / 831,228.17-1,147,071.97-468,648.89

Finding the Fourth Proportional to 831,228.17, 1,147,071.97 and 468,648.89

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Solution

The fourth proportional to 831,228.17, 1,147,071.97 and 468,648.89 is: 646,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,228.17 : 1,147,071.97 = 468,648.89 : x
  2. Step 2: Convert to fraction form
    831,228.17/1,147,071.97 = 468,648.89/x
  3. Step 3: Cross multiply
    831,228.17x = 1,147,071.97 × 468,648.89
  4. Step 4: Simplify right side
    831,228.17x = 537,573,997,412.01
  5. Step 5: Solve for x
    x = 537,573,997,412.01/831,228.17
  6. Step 6: Final answer
    x = 646,722.54

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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.