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Finding the Fourth Proportional to 684,854.52, 945,102.44 and 383,048.52

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Solution

The fourth proportional to 684,854.52, 945,102.44 and 383,048.52 is: 528,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,854.52 : 945,102.44 = 383,048.52 : x
  2. Step 2: Convert to fraction form
    684,854.52/945,102.44 = 383,048.52/x
  3. Step 3: Cross multiply
    684,854.52x = 945,102.44 × 383,048.52
  4. Step 4: Simplify right side
    684,854.52x = 362,020,090,890.39
  5. Step 5: Solve for x
    x = 362,020,090,890.39/684,854.52
  6. Step 6: Final answer
    x = 528,608.75

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1.5x scale

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.