Home / 686,603.56-1,029,733-326,552.24

Finding the Fourth Proportional to 686,603.56, 1,029,733 and 326,552.24

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Solution

The fourth proportional to 686,603.56, 1,029,733 and 326,552.24 is: 489,746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,603.56 : 1,029,733 = 326,552.24 : x
  2. Step 2: Convert to fraction form
    686,603.56/1,029,733 = 326,552.24/x
  3. Step 3: Cross multiply
    686,603.56x = 1,029,733 × 326,552.24
  4. Step 4: Simplify right side
    686,603.56x = 336,261,617,751.92
  5. Step 5: Solve for x
    x = 336,261,617,751.92/686,603.56
  6. Step 6: Final answer
    x = 489,746.39

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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.