Home / 648,848.48-888,907.59-624,589.84

Finding the Fourth Proportional to 648,848.48, 888,907.59 and 624,589.84

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Solution

The fourth proportional to 648,848.48, 888,907.59 and 624,589.84 is: 855,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,848.48 : 888,907.59 = 624,589.84 : x
  2. Step 2: Convert to fraction form
    648,848.48/888,907.59 = 624,589.84/x
  3. Step 3: Cross multiply
    648,848.48x = 888,907.59 × 624,589.84
  4. Step 4: Simplify right side
    648,848.48x = 555,202,649,412.89
  5. Step 5: Solve for x
    x = 555,202,649,412.89/648,848.48
  6. Step 6: Final answer
    x = 855,673.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.