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Finding the Fourth Proportional to 574,803.19, 860,732.64 and 479,797.17

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Solution

The fourth proportional to 574,803.19, 860,732.64 and 479,797.17 is: 718,466.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,803.19 : 860,732.64 = 479,797.17 : x
  2. Step 2: Convert to fraction form
    574,803.19/860,732.64 = 479,797.17/x
  3. Step 3: Cross multiply
    574,803.19x = 860,732.64 × 479,797.17
  4. Step 4: Simplify right side
    574,803.19x = 412,977,084,798.63
  5. Step 5: Solve for x
    x = 412,977,084,798.63/574,803.19
  6. Step 6: Final answer
    x = 718,466.93

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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.