Home / 470,869.40-649,826.35-256,004.85

Finding the Fourth Proportional to 470,869.40, 649,826.35 and 256,004.85

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Solution

The fourth proportional to 470,869.40, 649,826.35 and 256,004.85 is: 353,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,869.40 : 649,826.35 = 256,004.85 : x
  2. Step 2: Convert to fraction form
    470,869.40/649,826.35 = 256,004.85/x
  3. Step 3: Cross multiply
    470,869.40x = 649,826.35 × 256,004.85
  4. Step 4: Simplify right side
    470,869.40x = 166,358,699,054.63
  5. Step 5: Solve for x
    x = 166,358,699,054.63/470,869.40
  6. Step 6: Final answer
    x = 353,301.15

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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.