Home / 790,023.12-1,089,921.68-458,822.67

Finding the Fourth Proportional to 790,023.12, 1,089,921.68 and 458,822.67

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Solution

The fourth proportional to 790,023.12, 1,089,921.68 and 458,822.67 is: 632,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,023.12 : 1,089,921.68 = 458,822.67 : x
  2. Step 2: Convert to fraction form
    790,023.12/1,089,921.68 = 458,822.67/x
  3. Step 3: Cross multiply
    790,023.12x = 1,089,921.68 × 458,822.67
  4. Step 4: Simplify right side
    790,023.12x = 500,080,776,455.54
  5. Step 5: Solve for x
    x = 500,080,776,455.54/790,023.12
  6. Step 6: Final answer
    x = 632,995.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.