Home / 802,539.81-1,107,504.79-439,966.22

Finding the Fourth Proportional to 802,539.81, 1,107,504.79 and 439,966.22

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Solution

The fourth proportional to 802,539.81, 1,107,504.79 and 439,966.22 is: 607,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,539.81 : 1,107,504.79 = 439,966.22 : x
  2. Step 2: Convert to fraction form
    802,539.81/1,107,504.79 = 439,966.22/x
  3. Step 3: Cross multiply
    802,539.81x = 1,107,504.79 × 439,966.22
  4. Step 4: Simplify right side
    802,539.81x = 487,264,696,088.19
  5. Step 5: Solve for x
    x = 487,264,696,088.19/802,539.81
  6. Step 6: Final answer
    x = 607,153.30

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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.