Home / 934,836.37-1,401,147.37-428,970.96

Finding the Fourth Proportional to 934,836.37, 1,401,147.37 and 428,970.96

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Solution

The fourth proportional to 934,836.37, 1,401,147.37 and 428,970.96 is: 642,948.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,836.37 : 1,401,147.37 = 428,970.96 : x
  2. Step 2: Convert to fraction form
    934,836.37/1,401,147.37 = 428,970.96/x
  3. Step 3: Cross multiply
    934,836.37x = 1,401,147.37 × 428,970.96
  4. Step 4: Simplify right side
    934,836.37x = 601,051,532,946.59
  5. Step 5: Solve for x
    x = 601,051,532,946.59/934,836.37
  6. Step 6: Final answer
    x = 642,948.39

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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.