Home / 787,370.32-1,180,483.32-313,913.68

Finding the Fourth Proportional to 787,370.32, 1,180,483.32 and 313,913.68

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Solution

The fourth proportional to 787,370.32, 1,180,483.32 and 313,913.68 is: 470,642.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,370.32 : 1,180,483.32 = 313,913.68 : x
  2. Step 2: Convert to fraction form
    787,370.32/1,180,483.32 = 313,913.68/x
  3. Step 3: Cross multiply
    787,370.32x = 1,180,483.32 × 313,913.68
  4. Step 4: Simplify right side
    787,370.32x = 370,569,863,159.82
  5. Step 5: Solve for x
    x = 370,569,863,159.82/787,370.32
  6. Step 6: Final answer
    x = 470,642.41

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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.