Home / 751,339.41-1,126,728.90-301,908.18

Finding the Fourth Proportional to 751,339.41, 1,126,728.90 and 301,908.18

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Solution

The fourth proportional to 751,339.41, 1,126,728.90 and 301,908.18 is: 452,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,339.41 : 1,126,728.90 = 301,908.18 : x
  2. Step 2: Convert to fraction form
    751,339.41/1,126,728.90 = 301,908.18/x
  3. Step 3: Cross multiply
    751,339.41x = 1,126,728.90 × 301,908.18
  4. Step 4: Simplify right side
    751,339.41x = 340,168,671,552.40
  5. Step 5: Solve for x
    x = 340,168,671,552.40/751,339.41
  6. Step 6: Final answer
    x = 452,749.67

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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.