Home / 729,841.52-1,006,895.28-423,865.60

Finding the Fourth Proportional to 729,841.52, 1,006,895.28 and 423,865.60

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Solution

The fourth proportional to 729,841.52, 1,006,895.28 and 423,865.60 is: 584,768.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,841.52 : 1,006,895.28 = 423,865.60 : x
  2. Step 2: Convert to fraction form
    729,841.52/1,006,895.28 = 423,865.60/x
  3. Step 3: Cross multiply
    729,841.52x = 1,006,895.28 × 423,865.60
  4. Step 4: Simplify right side
    729,841.52x = 426,788,271,994.37
  5. Step 5: Solve for x
    x = 426,788,271,994.37/729,841.52
  6. Step 6: Final answer
    x = 584,768.42

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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.