Home / 742,439.39-1,113,779.70-229,984.85

Finding the Fourth Proportional to 742,439.39, 1,113,779.70 and 229,984.85

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Solution

The fourth proportional to 742,439.39, 1,113,779.70 and 229,984.85 is: 345,014.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,439.39 : 1,113,779.70 = 229,984.85 : x
  2. Step 2: Convert to fraction form
    742,439.39/1,113,779.70 = 229,984.85/x
  3. Step 3: Cross multiply
    742,439.39x = 1,113,779.70 × 229,984.85
  4. Step 4: Simplify right side
    742,439.39x = 256,152,460,021.99
  5. Step 5: Solve for x
    x = 256,152,460,021.99/742,439.39
  6. Step 6: Final answer
    x = 345,014.64

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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.