Home / 898,871.31-1,240,435.03-490,973.41

Finding the Fourth Proportional to 898,871.31, 1,240,435.03 and 490,973.41

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Solution

The fourth proportional to 898,871.31, 1,240,435.03 and 490,973.41 is: 677,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,871.31 : 1,240,435.03 = 490,973.41 : x
  2. Step 2: Convert to fraction form
    898,871.31/1,240,435.03 = 490,973.41/x
  3. Step 3: Cross multiply
    898,871.31x = 1,240,435.03 × 490,973.41
  4. Step 4: Simplify right side
    898,871.31x = 609,020,607,905.51
  5. Step 5: Solve for x
    x = 609,020,607,905.51/898,871.31
  6. Step 6: Final answer
    x = 677,539.27

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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.