Home / 864,658.73-1,297,035.29-359,270.81

Finding the Fourth Proportional to 864,658.73, 1,297,035.29 and 359,270.81

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Solution

The fourth proportional to 864,658.73, 1,297,035.29 and 359,270.81 is: 538,925.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,658.73 : 1,297,035.29 = 359,270.81 : x
  2. Step 2: Convert to fraction form
    864,658.73/1,297,035.29 = 359,270.81/x
  3. Step 3: Cross multiply
    864,658.73x = 1,297,035.29 × 359,270.81
  4. Step 4: Simplify right side
    864,658.73x = 465,986,910,955.35
  5. Step 5: Solve for x
    x = 465,986,910,955.35/864,658.73
  6. Step 6: Final answer
    x = 538,925.82

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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.