Home / 684,976.31-1,023,264.23-493,805.17

Finding the Fourth Proportional to 684,976.31, 1,023,264.23 and 493,805.17

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Solution

The fourth proportional to 684,976.31, 1,023,264.23 and 493,805.17 is: 737,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,976.31 : 1,023,264.23 = 493,805.17 : x
  2. Step 2: Convert to fraction form
    684,976.31/1,023,264.23 = 493,805.17/x
  3. Step 3: Cross multiply
    684,976.31x = 1,023,264.23 × 493,805.17
  4. Step 4: Simplify right side
    684,976.31x = 505,293,167,050.07
  5. Step 5: Solve for x
    x = 505,293,167,050.07/684,976.31
  6. Step 6: Final answer
    x = 737,679.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.