Home / 991,985.29-1,369,046.75-562,219.29

Finding the Fourth Proportional to 991,985.29, 1,369,046.75 and 562,219.29

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Solution

The fourth proportional to 991,985.29, 1,369,046.75 and 562,219.29 is: 775,923.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,985.29 : 1,369,046.75 = 562,219.29 : x
  2. Step 2: Convert to fraction form
    991,985.29/1,369,046.75 = 562,219.29/x
  3. Step 3: Cross multiply
    991,985.29x = 1,369,046.75 × 562,219.29
  4. Step 4: Simplify right side
    991,985.29x = 769,704,488,950.71
  5. Step 5: Solve for x
    x = 769,704,488,950.71/991,985.29
  6. Step 6: Final answer
    x = 775,923.29

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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.