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Finding the Fourth Proportional to 559,860.30, 839,790.45 and 307,043.10

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Solution

The fourth proportional to 559,860.30, 839,790.45 and 307,043.10 is: 460,564.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,860.30 : 839,790.45 = 307,043.10 : x
  2. Step 2: Convert to fraction form
    559,860.30/839,790.45 = 307,043.10/x
  3. Step 3: Cross multiply
    559,860.30x = 839,790.45 × 307,043.10
  4. Step 4: Simplify right side
    559,860.30x = 257,851,863,118.40
  5. Step 5: Solve for x
    x = 257,851,863,118.40/559,860.30
  6. Step 6: Final answer
    x = 460,564.65

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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.