Home / 626,555.47-864,623.37-340,069.42

Finding the Fourth Proportional to 626,555.47, 864,623.37 and 340,069.42

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Solution

The fourth proportional to 626,555.47, 864,623.37 and 340,069.42 is: 469,283.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,555.47 : 864,623.37 = 340,069.42 : x
  2. Step 2: Convert to fraction form
    626,555.47/864,623.37 = 340,069.42/x
  3. Step 3: Cross multiply
    626,555.47x = 864,623.37 × 340,069.42
  4. Step 4: Simplify right side
    626,555.47x = 294,031,967,954.35
  5. Step 5: Solve for x
    x = 294,031,967,954.35/626,555.47
  6. Step 6: Final answer
    x = 469,283.22

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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.