Home / 660,788.28-911,894.22-358,984.44

Finding the Fourth Proportional to 660,788.28, 911,894.22 and 358,984.44

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Solution

The fourth proportional to 660,788.28, 911,894.22 and 358,984.44 is: 495,402.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,788.28 : 911,894.22 = 358,984.44 : x
  2. Step 2: Convert to fraction form
    660,788.28/911,894.22 = 358,984.44/x
  3. Step 3: Cross multiply
    660,788.28x = 911,894.22 × 358,984.44
  4. Step 4: Simplify right side
    660,788.28x = 327,355,835,905.94
  5. Step 5: Solve for x
    x = 327,355,835,905.94/660,788.28
  6. Step 6: Final answer
    x = 495,402.00

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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.