Home / 981,307.01-1,470,458.14-660,269.76

Finding the Fourth Proportional to 981,307.01, 1,470,458.14 and 660,269.76

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Solution

The fourth proportional to 981,307.01, 1,470,458.14 and 660,269.76 is: 989,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,307.01 : 1,470,458.14 = 660,269.76 : x
  2. Step 2: Convert to fraction form
    981,307.01/1,470,458.14 = 660,269.76/x
  3. Step 3: Cross multiply
    981,307.01x = 1,470,458.14 × 660,269.76
  4. Step 4: Simplify right side
    981,307.01x = 970,899,044,294.28
  5. Step 5: Solve for x
    x = 970,899,044,294.28/981,307.01
  6. Step 6: Final answer
    x = 989,393.77

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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.