Home / 957,341.03-1,321,113.51-521,762.31

Finding the Fourth Proportional to 957,341.03, 1,321,113.51 and 521,762.31

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Solution

The fourth proportional to 957,341.03, 1,321,113.51 and 521,762.31 is: 720,022.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,341.03 : 1,321,113.51 = 521,762.31 : x
  2. Step 2: Convert to fraction form
    957,341.03/1,321,113.51 = 521,762.31/x
  3. Step 3: Cross multiply
    957,341.03x = 1,321,113.51 × 521,762.31
  4. Step 4: Simplify right side
    957,341.03x = 689,307,236,749.81
  5. Step 5: Solve for x
    x = 689,307,236,749.81/957,341.03
  6. Step 6: Final answer
    x = 720,022.67

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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.