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Finding the Fourth Proportional to 610,669.80, 916,004.70 and 543,018.60

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Solution

The fourth proportional to 610,669.80, 916,004.70 and 543,018.60 is: 814,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,669.80 : 916,004.70 = 543,018.60 : x
  2. Step 2: Convert to fraction form
    610,669.80/916,004.70 = 543,018.60/x
  3. Step 3: Cross multiply
    610,669.80x = 916,004.70 × 543,018.60
  4. Step 4: Simplify right side
    610,669.80x = 497,407,589,787.42
  5. Step 5: Solve for x
    x = 497,407,589,787.42/610,669.80
  6. Step 6: Final answer
    x = 814,527.90

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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.