Home / 768,014.10-1,152,535.34-318,735.35

Finding the Fourth Proportional to 768,014.10, 1,152,535.34 and 318,735.35

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Solution

The fourth proportional to 768,014.10, 1,152,535.34 and 318,735.35 is: 478,316.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,014.10 : 1,152,535.34 = 318,735.35 : x
  2. Step 2: Convert to fraction form
    768,014.10/1,152,535.34 = 318,735.35/x
  3. Step 3: Cross multiply
    768,014.10x = 1,152,535.34 × 318,735.35
  4. Step 4: Simplify right side
    768,014.10x = 367,353,750,016.43
  5. Step 5: Solve for x
    x = 367,353,750,016.43/768,014.10
  6. Step 6: Final answer
    x = 478,316.41

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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.