Home / 906,130.19-1,358,346.41-306,671.67

Finding the Fourth Proportional to 906,130.19, 1,358,346.41 and 306,671.67

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Solution

The fourth proportional to 906,130.19, 1,358,346.41 and 306,671.67 is: 459,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,130.19 : 1,358,346.41 = 306,671.67 : x
  2. Step 2: Convert to fraction form
    906,130.19/1,358,346.41 = 306,671.67/x
  3. Step 3: Cross multiply
    906,130.19x = 1,358,346.41 × 306,671.67
  4. Step 4: Simplify right side
    906,130.19x = 416,566,361,609.87
  5. Step 5: Solve for x
    x = 416,566,361,609.87/906,130.19
  6. Step 6: Final answer
    x = 459,720.21

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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.