Home / 939,034.42-1,408,663.41-299,113.50

Finding the Fourth Proportional to 939,034.42, 1,408,663.41 and 299,113.50

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Solution

The fourth proportional to 939,034.42, 1,408,663.41 and 299,113.50 is: 448,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,034.42 : 1,408,663.41 = 299,113.50 : x
  2. Step 2: Convert to fraction form
    939,034.42/1,408,663.41 = 299,113.50/x
  3. Step 3: Cross multiply
    939,034.42x = 1,408,663.41 × 299,113.50
  4. Step 4: Simplify right side
    939,034.42x = 421,350,242,887.04
  5. Step 5: Solve for x
    x = 421,350,242,887.04/939,034.42
  6. Step 6: Final answer
    x = 448,705.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.