Home / 470,285.28-648,995.54-255,428.93

Finding the Fourth Proportional to 470,285.28, 648,995.54 and 255,428.93

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Solution

The fourth proportional to 470,285.28, 648,995.54 and 255,428.93 is: 352,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,285.28 : 648,995.54 = 255,428.93 : x
  2. Step 2: Convert to fraction form
    470,285.28/648,995.54 = 255,428.93/x
  3. Step 3: Cross multiply
    470,285.28x = 648,995.54 × 255,428.93
  4. Step 4: Simplify right side
    470,285.28x = 165,772,231,834.85
  5. Step 5: Solve for x
    x = 165,772,231,834.85/470,285.28
  6. Step 6: Final answer
    x = 352,492.92

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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.