Home / 470,827.40-649,747.28-255,962.76

Finding the Fourth Proportional to 470,827.40, 649,747.28 and 255,962.76

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Solution

The fourth proportional to 470,827.40, 649,747.28 and 255,962.76 is: 353,231.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,827.40 : 649,747.28 = 255,962.76 : x
  2. Step 2: Convert to fraction form
    470,827.40/649,747.28 = 255,962.76/x
  3. Step 3: Cross multiply
    470,827.40x = 649,747.28 × 255,962.76
  4. Step 4: Simplify right side
    470,827.40x = 166,311,107,091.29
  5. Step 5: Solve for x
    x = 166,311,107,091.29/470,827.40
  6. Step 6: Final answer
    x = 353,231.58

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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.