Home / 684,474.50-1,024,169.37-430,569.27

Finding the Fourth Proportional to 684,474.50, 1,024,169.37 and 430,569.27

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Solution

The fourth proportional to 684,474.50, 1,024,169.37 and 430,569.27 is: 644,254.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,474.50 : 1,024,169.37 = 430,569.27 : x
  2. Step 2: Convert to fraction form
    684,474.50/1,024,169.37 = 430,569.27/x
  3. Step 3: Cross multiply
    684,474.50x = 1,024,169.37 × 430,569.27
  4. Step 4: Simplify right side
    684,474.50x = 440,975,856,382.63
  5. Step 5: Solve for x
    x = 440,975,856,382.63/684,474.50
  6. Step 6: Final answer
    x = 644,254.61

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1.5x scale

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.