Home / 684,643.04-1,026,664.96-324,916.98

Finding the Fourth Proportional to 684,643.04, 1,026,664.96 and 324,916.98

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Solution

The fourth proportional to 684,643.04, 1,026,664.96 and 324,916.98 is: 487,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,643.04 : 1,026,664.96 = 324,916.98 : x
  2. Step 2: Convert to fraction form
    684,643.04/1,026,664.96 = 324,916.98/x
  3. Step 3: Cross multiply
    684,643.04x = 1,026,664.96 × 324,916.98
  4. Step 4: Simplify right side
    684,643.04x = 333,580,878,275.02
  5. Step 5: Solve for x
    x = 333,580,878,275.02/684,643.04
  6. Step 6: Final answer
    x = 487,233.29

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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.