Home / 673,749.60-1,010,624.40-319,455.60

Finding the Fourth Proportional to 673,749.60, 1,010,624.40 and 319,455.60

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Solution

The fourth proportional to 673,749.60, 1,010,624.40 and 319,455.60 is: 479,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,749.60 : 1,010,624.40 = 319,455.60 : x
  2. Step 2: Convert to fraction form
    673,749.60/1,010,624.40 = 319,455.60/x
  3. Step 3: Cross multiply
    673,749.60x = 1,010,624.40 × 319,455.60
  4. Step 4: Simplify right side
    673,749.60x = 322,849,624,076.64
  5. Step 5: Solve for x
    x = 322,849,624,076.64/673,749.60
  6. Step 6: Final answer
    x = 479,183.40

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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.