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Finding the Fourth Proportional to 626,573.04, 864,671.76 and 340,093.20

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Solution

The fourth proportional to 626,573.04, 864,671.76 and 340,093.20 is: 469,329.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,573.04 : 864,671.76 = 340,093.20 : x
  2. Step 2: Convert to fraction form
    626,573.04/864,671.76 = 340,093.20/x
  3. Step 3: Cross multiply
    626,573.04x = 864,671.76 × 340,093.20
  4. Step 4: Simplify right side
    626,573.04x = 294,068,985,808.03
  5. Step 5: Solve for x
    x = 294,068,985,808.03/626,573.04
  6. Step 6: Final answer
    x = 469,329.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.