Home / 970,828.91-1,456,242.59-260,856.95

Finding the Fourth Proportional to 970,828.91, 1,456,242.59 and 260,856.95

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Solution

The fourth proportional to 970,828.91, 1,456,242.59 and 260,856.95 is: 391,285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,828.91 : 1,456,242.59 = 260,856.95 : x
  2. Step 2: Convert to fraction form
    970,828.91/1,456,242.59 = 260,856.95/x
  3. Step 3: Cross multiply
    970,828.91x = 1,456,242.59 × 260,856.95
  4. Step 4: Simplify right side
    970,828.91x = 379,870,991,902.00
  5. Step 5: Solve for x
    x = 379,870,991,902.00/970,828.91
  6. Step 6: Final answer
    x = 391,285.21

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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.