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Finding the Fourth Proportional to 559,018.80, 838,528.20 and 551,145.60

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Solution

The fourth proportional to 559,018.80, 838,528.20 and 551,145.60 is: 826,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,018.80 : 838,528.20 = 551,145.60 : x
  2. Step 2: Convert to fraction form
    559,018.80/838,528.20 = 551,145.60/x
  3. Step 3: Cross multiply
    559,018.80x = 838,528.20 × 551,145.60
  4. Step 4: Simplify right side
    559,018.80x = 462,151,127,905.92
  5. Step 5: Solve for x
    x = 462,151,127,905.92/559,018.80
  6. Step 6: Final answer
    x = 826,718.40

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Similar ratio
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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.