Home / 626,554.47-864,621.99-340,068.42

Finding the Fourth Proportional to 626,554.47, 864,621.99 and 340,068.42

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Solution

The fourth proportional to 626,554.47, 864,621.99 and 340,068.42 is: 469,281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,554.47 : 864,621.99 = 340,068.42 : x
  2. Step 2: Convert to fraction form
    626,554.47/864,621.99 = 340,068.42/x
  3. Step 3: Cross multiply
    626,554.47x = 864,621.99 × 340,068.42
  4. Step 4: Simplify right side
    626,554.47x = 294,030,634,036.56
  5. Step 5: Solve for x
    x = 294,030,634,036.56/626,554.47
  6. Step 6: Final answer
    x = 469,281.84

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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.