Home / 560,095.26-772,977.69-318,453.90

Finding the Fourth Proportional to 560,095.26, 772,977.69 and 318,453.90

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Solution

The fourth proportional to 560,095.26, 772,977.69 and 318,453.90 is: 439,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,095.26 : 772,977.69 = 318,453.90 : x
  2. Step 2: Convert to fraction form
    560,095.26/772,977.69 = 318,453.90/x
  3. Step 3: Cross multiply
    560,095.26x = 772,977.69 × 318,453.90
  4. Step 4: Simplify right side
    560,095.26x = 246,157,759,993.49
  5. Step 5: Solve for x
    x = 246,157,759,993.49/560,095.26
  6. Step 6: Final answer
    x = 439,492.67

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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.