Home / 556,921.04-835,247.75-257,113.67

Finding the Fourth Proportional to 556,921.04, 835,247.75 and 257,113.67

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Solution

The fourth proportional to 556,921.04, 835,247.75 and 257,113.67 is: 385,608.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,921.04 : 835,247.75 = 257,113.67 : x
  2. Step 2: Convert to fraction form
    556,921.04/835,247.75 = 257,113.67/x
  3. Step 3: Cross multiply
    556,921.04x = 835,247.75 × 257,113.67
  4. Step 4: Simplify right side
    556,921.04x = 214,753,608,899.94
  5. Step 5: Solve for x
    x = 214,753,608,899.94/556,921.04
  6. Step 6: Final answer
    x = 385,608.72

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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.