Home / 742,107.06-1,111,676.67-342,200.34

Finding the Fourth Proportional to 742,107.06, 1,111,676.67 and 342,200.34

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Solution

The fourth proportional to 742,107.06, 1,111,676.67 and 342,200.34 is: 512,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,107.06 : 1,111,676.67 = 342,200.34 : x
  2. Step 2: Convert to fraction form
    742,107.06/1,111,676.67 = 342,200.34/x
  3. Step 3: Cross multiply
    742,107.06x = 1,111,676.67 × 342,200.34
  4. Step 4: Simplify right side
    742,107.06x = 380,416,134,444.07
  5. Step 5: Solve for x
    x = 380,416,134,444.07/742,107.06
  6. Step 6: Final answer
    x = 512,616.24

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1.5x scale

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.