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Finding the Fourth Proportional to 559,865.80, 839,798.70 and 307,048.60

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Solution

The fourth proportional to 559,865.80, 839,798.70 and 307,048.60 is: 460,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,865.80 : 839,798.70 = 307,048.60 : x
  2. Step 2: Convert to fraction form
    559,865.80/839,798.70 = 307,048.60/x
  3. Step 3: Cross multiply
    559,865.80x = 839,798.70 × 307,048.60
  4. Step 4: Simplify right side
    559,865.80x = 257,859,015,116.82
  5. Step 5: Solve for x
    x = 257,859,015,116.82/559,865.80
  6. Step 6: Final answer
    x = 460,572.90

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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.