Home / 546,877.20-819,732.60-209,787.60

Finding the Fourth Proportional to 546,877.20, 819,732.60 and 209,787.60

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Solution

The fourth proportional to 546,877.20, 819,732.60 and 209,787.60 is: 314,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,877.20 : 819,732.60 = 209,787.60 : x
  2. Step 2: Convert to fraction form
    546,877.20/819,732.60 = 209,787.60/x
  3. Step 3: Cross multiply
    546,877.20x = 819,732.60 × 209,787.60
  4. Step 4: Simplify right side
    546,877.20x = 171,969,734,795.76
  5. Step 5: Solve for x
    x = 171,969,734,795.76/546,877.20
  6. Step 6: Final answer
    x = 314,457.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.