Home / 434,205.56-598,455.57-288,751.35

Finding the Fourth Proportional to 434,205.56, 598,455.57 and 288,751.35

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Solution

The fourth proportional to 434,205.56, 598,455.57 and 288,751.35 is: 397,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,205.56 : 598,455.57 = 288,751.35 : x
  2. Step 2: Convert to fraction form
    434,205.56/598,455.57 = 288,751.35/x
  3. Step 3: Cross multiply
    434,205.56x = 598,455.57 × 288,751.35
  4. Step 4: Simplify right side
    434,205.56x = 172,804,853,752.52
  5. Step 5: Solve for x
    x = 172,804,853,752.52/434,205.56
  6. Step 6: Final answer
    x = 397,979.37

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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.