Home / 802,467.84-1,107,398.40-439,912.32

Finding the Fourth Proportional to 802,467.84, 1,107,398.40 and 439,912.32

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Solution

The fourth proportional to 802,467.84, 1,107,398.40 and 439,912.32 is: 607,075.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,467.84 : 1,107,398.40 = 439,912.32 : x
  2. Step 2: Convert to fraction form
    802,467.84/1,107,398.40 = 439,912.32/x
  3. Step 3: Cross multiply
    802,467.84x = 1,107,398.40 × 439,912.32
  4. Step 4: Simplify right side
    802,467.84x = 487,158,199,308.29
  5. Step 5: Solve for x
    x = 487,158,199,308.29/802,467.84
  6. Step 6: Final answer
    x = 607,075.04

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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.