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Finding the Fourth Proportional to 546,415.10, 819,622.65 and 310,219.10

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Solution

The fourth proportional to 546,415.10, 819,622.65 and 310,219.10 is: 465,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,415.10 : 819,622.65 = 310,219.10 : x
  2. Step 2: Convert to fraction form
    546,415.10/819,622.65 = 310,219.10/x
  3. Step 3: Cross multiply
    546,415.10x = 819,622.65 × 310,219.10
  4. Step 4: Simplify right side
    546,415.10x = 254,262,600,822.62
  5. Step 5: Solve for x
    x = 254,262,600,822.62/546,415.10
  6. Step 6: Final answer
    x = 465,328.65

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Similar ratio
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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.