Home / 840,048.87-1,159,265.25-458,075.64

Finding the Fourth Proportional to 840,048.87, 1,159,265.25 and 458,075.64

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Solution

The fourth proportional to 840,048.87, 1,159,265.25 and 458,075.64 is: 632,143.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,048.87 : 1,159,265.25 = 458,075.64 : x
  2. Step 2: Convert to fraction form
    840,048.87/1,159,265.25 = 458,075.64/x
  3. Step 3: Cross multiply
    840,048.87x = 1,159,265.25 × 458,075.64
  4. Step 4: Simplify right side
    840,048.87x = 531,031,171,323.51
  5. Step 5: Solve for x
    x = 531,031,171,323.51/840,048.87
  6. Step 6: Final answer
    x = 632,143.19

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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.