Home / 897,564.21-1,238,632.73-510,379.67

Finding the Fourth Proportional to 897,564.21, 1,238,632.73 and 510,379.67

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Solution

The fourth proportional to 897,564.21, 1,238,632.73 and 510,379.67 is: 704,320.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,564.21 : 1,238,632.73 = 510,379.67 : x
  2. Step 2: Convert to fraction form
    897,564.21/1,238,632.73 = 510,379.67/x
  3. Step 3: Cross multiply
    897,564.21x = 1,238,632.73 × 510,379.67
  4. Step 4: Simplify right side
    897,564.21x = 632,172,955,243.54
  5. Step 5: Solve for x
    x = 632,172,955,243.54/897,564.21
  6. Step 6: Final answer
    x = 704,320.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.