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Finding the Fourth Proportional to 559,877.80, 839,816.70 and 307,060.60

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Solution

The fourth proportional to 559,877.80, 839,816.70 and 307,060.60 is: 460,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,877.80 : 839,816.70 = 307,060.60 : x
  2. Step 2: Convert to fraction form
    559,877.80/839,816.70 = 307,060.60/x
  3. Step 3: Cross multiply
    559,877.80x = 839,816.70 × 307,060.60
  4. Step 4: Simplify right side
    559,877.80x = 257,874,619,792.02
  5. Step 5: Solve for x
    x = 257,874,619,792.02/559,877.80
  6. Step 6: Final answer
    x = 460,590.90

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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.