Home / 684,788.52-1,026,341.49-384,638.16

Finding the Fourth Proportional to 684,788.52, 1,026,341.49 and 384,638.16

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Solution

The fourth proportional to 684,788.52, 1,026,341.49 and 384,638.16 is: 576,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,788.52 : 1,026,341.49 = 384,638.16 : x
  2. Step 2: Convert to fraction form
    684,788.52/1,026,341.49 = 384,638.16/x
  3. Step 3: Cross multiply
    684,788.52x = 1,026,341.49 × 384,638.16
  4. Step 4: Simplify right side
    684,788.52x = 394,770,102,245.26
  5. Step 5: Solve for x
    x = 394,770,102,245.26/684,788.52
  6. Step 6: Final answer
    x = 576,484.70

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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.