Home / 887,825.22-1,225,180.35-485,417.22

Finding the Fourth Proportional to 887,825.22, 1,225,180.35 and 485,417.22

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Solution

The fourth proportional to 887,825.22, 1,225,180.35 and 485,417.22 is: 669,865.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,825.22 : 1,225,180.35 = 485,417.22 : x
  2. Step 2: Convert to fraction form
    887,825.22/1,225,180.35 = 485,417.22/x
  3. Step 3: Cross multiply
    887,825.22x = 1,225,180.35 × 485,417.22
  4. Step 4: Simplify right side
    887,825.22x = 594,723,639,495.63
  5. Step 5: Solve for x
    x = 594,723,639,495.63/887,825.22
  6. Step 6: Final answer
    x = 669,865.67

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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.