Home / 436,428.82-602,267.83-245,438.11

Finding the Fourth Proportional to 436,428.82, 602,267.83 and 245,438.11

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Solution

The fourth proportional to 436,428.82, 602,267.83 and 245,438.11 is: 338,702.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,428.82 : 602,267.83 = 245,438.11 : x
  2. Step 2: Convert to fraction form
    436,428.82/602,267.83 = 245,438.11/x
  3. Step 3: Cross multiply
    436,428.82x = 602,267.83 × 245,438.11
  4. Step 4: Simplify right side
    436,428.82x = 147,819,477,909.00
  5. Step 5: Solve for x
    x = 147,819,477,909.00/436,428.82
  6. Step 6: Final answer
    x = 338,702.38

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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.