Home / 626,566.70-864,638.93-340,080.63

Finding the Fourth Proportional to 626,566.70, 864,638.93 and 340,080.63

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Solution

The fourth proportional to 626,566.70, 864,638.93 and 340,080.63 is: 469,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,566.70 : 864,638.93 = 340,080.63 : x
  2. Step 2: Convert to fraction form
    626,566.70/864,638.93 = 340,080.63/x
  3. Step 3: Cross multiply
    626,566.70x = 864,638.93 × 340,080.63
  4. Step 4: Simplify right side
    626,566.70x = 294,046,950,336.52
  5. Step 5: Solve for x
    x = 294,046,950,336.52/626,566.70
  6. Step 6: Final answer
    x = 469,298.72

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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.