Home / 831,148.56-1,146,985.20-473,452.56

Finding the Fourth Proportional to 831,148.56, 1,146,985.20 and 473,452.56

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Solution

The fourth proportional to 831,148.56, 1,146,985.20 and 473,452.56 is: 653,364.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,148.56 : 1,146,985.20 = 473,452.56 : x
  2. Step 2: Convert to fraction form
    831,148.56/1,146,985.20 = 473,452.56/x
  3. Step 3: Cross multiply
    831,148.56x = 1,146,985.20 × 473,452.56
  4. Step 4: Simplify right side
    831,148.56x = 543,043,079,222.11
  5. Step 5: Solve for x
    x = 543,043,079,222.11/831,148.56
  6. Step 6: Final answer
    x = 653,364.64

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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.