Home / 828,984.30-1,143,916.80-466,400.37

Finding the Fourth Proportional to 828,984.30, 1,143,916.80 and 466,400.37

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Solution

The fourth proportional to 828,984.30, 1,143,916.80 and 466,400.37 is: 643,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,984.30 : 1,143,916.80 = 466,400.37 : x
  2. Step 2: Convert to fraction form
    828,984.30/1,143,916.80 = 466,400.37/x
  3. Step 3: Cross multiply
    828,984.30x = 1,143,916.80 × 466,400.37
  4. Step 4: Simplify right side
    828,984.30x = 533,523,218,769.22
  5. Step 5: Solve for x
    x = 533,523,218,769.22/828,984.30
  6. Step 6: Final answer
    x = 643,586.64

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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.