Home / 957,410.28-1,321,131.57-570,148.67

Finding the Fourth Proportional to 957,410.28, 1,321,131.57 and 570,148.67

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Solution

The fourth proportional to 957,410.28, 1,321,131.57 and 570,148.67 is: 786,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,410.28 : 1,321,131.57 = 570,148.67 : x
  2. Step 2: Convert to fraction form
    957,410.28/1,321,131.57 = 570,148.67/x
  3. Step 3: Cross multiply
    957,410.28x = 1,321,131.57 × 570,148.67
  4. Step 4: Simplify right side
    957,410.28x = 753,241,408,695.28
  5. Step 5: Solve for x
    x = 753,241,408,695.28/957,410.28
  6. Step 6: Final answer
    x = 786,748.82

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.