Home / 744,003.45-1,026,804.99-421,678.95

Finding the Fourth Proportional to 744,003.45, 1,026,804.99 and 421,678.95

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Solution

The fourth proportional to 744,003.45, 1,026,804.99 and 421,678.95 is: 581,962.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,003.45 : 1,026,804.99 = 421,678.95 : x
  2. Step 2: Convert to fraction form
    744,003.45/1,026,804.99 = 421,678.95/x
  3. Step 3: Cross multiply
    744,003.45x = 1,026,804.99 × 421,678.95
  4. Step 4: Simplify right side
    744,003.45x = 432,982,050,037.96
  5. Step 5: Solve for x
    x = 432,982,050,037.96/744,003.45
  6. Step 6: Final answer
    x = 581,962.42

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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.