Home / 389,427.58-537,653.34-298,609.06

Finding the Fourth Proportional to 389,427.58, 537,653.34 and 298,609.06

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Solution

The fourth proportional to 389,427.58, 537,653.34 and 298,609.06 is: 412,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,427.58 : 537,653.34 = 298,609.06 : x
  2. Step 2: Convert to fraction form
    389,427.58/537,653.34 = 298,609.06/x
  3. Step 3: Cross multiply
    389,427.58x = 537,653.34 × 298,609.06
  4. Step 4: Simplify right side
    389,427.58x = 160,548,158,463.26
  5. Step 5: Solve for x
    x = 160,548,158,463.26/389,427.58
  6. Step 6: Final answer
    x = 412,267.05

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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.