Home / 436,420.51-602,256.36-245,435.27

Finding the Fourth Proportional to 436,420.51, 602,256.36 and 245,435.27

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Solution

The fourth proportional to 436,420.51, 602,256.36 and 245,435.27 is: 338,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,420.51 : 602,256.36 = 245,435.27 : x
  2. Step 2: Convert to fraction form
    436,420.51/602,256.36 = 245,435.27/x
  3. Step 3: Cross multiply
    436,420.51x = 602,256.36 × 245,435.27
  4. Step 4: Simplify right side
    436,420.51x = 147,814,950,234.92
  5. Step 5: Solve for x
    x = 147,814,950,234.92/436,420.51
  6. Step 6: Final answer
    x = 338,698.45

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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.