Home / 546,026.20-820,268.10-525,136.60

Finding the Fourth Proportional to 546,026.20, 820,268.10 and 525,136.60

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Solution

The fourth proportional to 546,026.20, 820,268.10 and 525,136.60 is: 788,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,026.20 : 820,268.10 = 525,136.60 : x
  2. Step 2: Convert to fraction form
    546,026.20/820,268.10 = 525,136.60/x
  3. Step 3: Cross multiply
    546,026.20x = 820,268.10 × 525,136.60
  4. Step 4: Simplify right side
    546,026.20x = 430,752,801,122.46
  5. Step 5: Solve for x
    x = 430,752,801,122.46/546,026.20
  6. Step 6: Final answer
    x = 788,886.69

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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.