Home / 945,030.60-1,416,638.70-313,619.40

Finding the Fourth Proportional to 945,030.60, 1,416,638.70 and 313,619.40

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Solution

The fourth proportional to 945,030.60, 1,416,638.70 and 313,619.40 is: 470,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,030.60 : 1,416,638.70 = 313,619.40 : x
  2. Step 2: Convert to fraction form
    945,030.60/1,416,638.70 = 313,619.40/x
  3. Step 3: Cross multiply
    945,030.60x = 1,416,638.70 × 313,619.40
  4. Step 4: Simplify right side
    945,030.60x = 444,285,379,110.78
  5. Step 5: Solve for x
    x = 444,285,379,110.78/945,030.60
  6. Step 6: Final answer
    x = 470,128.04

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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.