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Finding the Fourth Proportional to 546,652.80, 819,622.80 and 490,665.60

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Solution

The fourth proportional to 546,652.80, 819,622.80 and 490,665.60 is: 735,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,652.80 : 819,622.80 = 490,665.60 : x
  2. Step 2: Convert to fraction form
    546,652.80/819,622.80 = 490,665.60/x
  3. Step 3: Cross multiply
    546,652.80x = 819,622.80 × 490,665.60
  4. Step 4: Simplify right side
    546,652.80x = 402,160,712,935.68
  5. Step 5: Solve for x
    x = 402,160,712,935.68/546,652.80
  6. Step 6: Final answer
    x = 735,678.50

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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.