Home / 684,694.70-1,026,186.69-472,643.18

Finding the Fourth Proportional to 684,694.70, 1,026,186.69 and 472,643.18

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Solution

The fourth proportional to 684,694.70, 1,026,186.69 and 472,643.18 is: 708,374.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,694.70 : 1,026,186.69 = 472,643.18 : x
  2. Step 2: Convert to fraction form
    684,694.70/1,026,186.69 = 472,643.18/x
  3. Step 3: Cross multiply
    684,694.70x = 1,026,186.69 × 472,643.18
  4. Step 4: Simplify right side
    684,694.70x = 485,020,140,435.27
  5. Step 5: Solve for x
    x = 485,020,140,435.27/684,694.70
  6. Step 6: Final answer
    x = 708,374.32

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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.