Home / 824,742.54-1,237,048.20-256,100.67

Finding the Fourth Proportional to 824,742.54, 1,237,048.20 and 256,100.67

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Solution

The fourth proportional to 824,742.54, 1,237,048.20 and 256,100.67 is: 384,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,742.54 : 1,237,048.20 = 256,100.67 : x
  2. Step 2: Convert to fraction form
    824,742.54/1,237,048.20 = 256,100.67/x
  3. Step 3: Cross multiply
    824,742.54x = 1,237,048.20 × 256,100.67
  4. Step 4: Simplify right side
    824,742.54x = 316,808,872,842.29
  5. Step 5: Solve for x
    x = 316,808,872,842.29/824,742.54
  6. Step 6: Final answer
    x = 384,130.63

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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.