Home / 981,013.50-1,470,718.89-507,835.26

Finding the Fourth Proportional to 981,013.50, 1,470,718.89 and 507,835.26

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Solution

The fourth proportional to 981,013.50, 1,470,718.89 and 507,835.26 is: 761,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,013.50 : 1,470,718.89 = 507,835.26 : x
  2. Step 2: Convert to fraction form
    981,013.50/1,470,718.89 = 507,835.26/x
  3. Step 3: Cross multiply
    981,013.50x = 1,470,718.89 × 507,835.26
  4. Step 4: Simplify right side
    981,013.50x = 746,882,909,890.06
  5. Step 5: Solve for x
    x = 746,882,909,890.06/981,013.50
  6. Step 6: Final answer
    x = 761,338.05

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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.