Home / 870,999.68-1,305,274.16-692,715.44

Finding the Fourth Proportional to 870,999.68, 1,305,274.16 and 692,715.44

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Solution

The fourth proportional to 870,999.68, 1,305,274.16 and 692,715.44 is: 1,038,098.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,999.68 : 1,305,274.16 = 692,715.44 : x
  2. Step 2: Convert to fraction form
    870,999.68/1,305,274.16 = 692,715.44/x
  3. Step 3: Cross multiply
    870,999.68x = 1,305,274.16 × 692,715.44
  4. Step 4: Simplify right side
    870,999.68x = 904,183,564,065.03
  5. Step 5: Solve for x
    x = 904,183,564,065.03/870,999.68
  6. Step 6: Final answer
    x = 1,038,098.62

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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.