Home / 546,530.20-819,795.30-432,368.80

Finding the Fourth Proportional to 546,530.20, 819,795.30 and 432,368.80

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Solution

The fourth proportional to 546,530.20, 819,795.30 and 432,368.80 is: 648,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,530.20 : 819,795.30 = 432,368.80 : x
  2. Step 2: Convert to fraction form
    546,530.20/819,795.30 = 432,368.80/x
  3. Step 3: Cross multiply
    546,530.20x = 819,795.30 × 432,368.80
  4. Step 4: Simplify right side
    546,530.20x = 354,453,910,106.64
  5. Step 5: Solve for x
    x = 354,453,910,106.64/546,530.20
  6. Step 6: Final answer
    x = 648,553.20

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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.