Home / 673,749.40-1,010,624.10-319,455.40

Finding the Fourth Proportional to 673,749.40, 1,010,624.10 and 319,455.40

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Solution

The fourth proportional to 673,749.40, 1,010,624.10 and 319,455.40 is: 479,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,749.40 : 1,010,624.10 = 319,455.40 : x
  2. Step 2: Convert to fraction form
    673,749.40/1,010,624.10 = 319,455.40/x
  3. Step 3: Cross multiply
    673,749.40x = 1,010,624.10 × 319,455.40
  4. Step 4: Simplify right side
    673,749.40x = 322,849,326,115.14
  5. Step 5: Solve for x
    x = 322,849,326,115.14/673,749.40
  6. Step 6: Final answer
    x = 479,183.10

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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.