Home / 787,366.32-1,180,477.32-313,909.68

Finding the Fourth Proportional to 787,366.32, 1,180,477.32 and 313,909.68

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Solution

The fourth proportional to 787,366.32, 1,180,477.32 and 313,909.68 is: 470,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,366.32 : 1,180,477.32 = 313,909.68 : x
  2. Step 2: Convert to fraction form
    787,366.32/1,180,477.32 = 313,909.68/x
  3. Step 3: Cross multiply
    787,366.32x = 1,180,477.32 × 313,909.68
  4. Step 4: Simplify right side
    787,366.32x = 370,563,257,768.46
  5. Step 5: Solve for x
    x = 370,563,257,768.46/787,366.32
  6. Step 6: Final answer
    x = 470,636.41

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1.5x scale

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.