Home / 689,365.02-1,034,075.34-240,131.31

Finding the Fourth Proportional to 689,365.02, 1,034,075.34 and 240,131.31

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Solution

The fourth proportional to 689,365.02, 1,034,075.34 and 240,131.31 is: 360,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,365.02 : 1,034,075.34 = 240,131.31 : x
  2. Step 2: Convert to fraction form
    689,365.02/1,034,075.34 = 240,131.31/x
  3. Step 3: Cross multiply
    689,365.02x = 1,034,075.34 × 240,131.31
  4. Step 4: Simplify right side
    689,365.02x = 248,313,866,032.90
  5. Step 5: Solve for x
    x = 248,313,866,032.90/689,365.02
  6. Step 6: Final answer
    x = 360,206.65

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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.