Home / 898,639.23-1,240,075.94-490,662.48

Finding the Fourth Proportional to 898,639.23, 1,240,075.94 and 490,662.48

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Solution

The fourth proportional to 898,639.23, 1,240,075.94 and 490,662.48 is: 677,089.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,639.23 : 1,240,075.94 = 490,662.48 : x
  2. Step 2: Convert to fraction form
    898,639.23/1,240,075.94 = 490,662.48/x
  3. Step 3: Cross multiply
    898,639.23x = 1,240,075.94 × 490,662.48
  4. Step 4: Simplify right side
    898,639.23x = 608,458,736,108.73
  5. Step 5: Solve for x
    x = 608,458,736,108.73/898,639.23
  6. Step 6: Final answer
    x = 677,089.00

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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.