Home / 626,762.68-864,932.48-340,282.79

Finding the Fourth Proportional to 626,762.68, 864,932.48 and 340,282.79

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Solution

The fourth proportional to 626,762.68, 864,932.48 and 340,282.79 is: 469,590.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,762.68 : 864,932.48 = 340,282.79 : x
  2. Step 2: Convert to fraction form
    626,762.68/864,932.48 = 340,282.79/x
  3. Step 3: Cross multiply
    626,762.68x = 864,932.48 × 340,282.79
  4. Step 4: Simplify right side
    626,762.68x = 294,321,635,949.50
  5. Step 5: Solve for x
    x = 294,321,635,949.50/626,762.68
  6. Step 6: Final answer
    x = 469,590.24

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1.5x scale

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.