Home / 436,904.78-602,890.15-243,297.86

Finding the Fourth Proportional to 436,904.78, 602,890.15 and 243,297.86

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Solution

The fourth proportional to 436,904.78, 602,890.15 and 243,297.86 is: 335,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,904.78 : 602,890.15 = 243,297.86 : x
  2. Step 2: Convert to fraction form
    436,904.78/602,890.15 = 243,297.86/x
  3. Step 3: Cross multiply
    436,904.78x = 602,890.15 × 243,297.86
  4. Step 4: Simplify right side
    436,904.78x = 146,681,879,079.14
  5. Step 5: Solve for x
    x = 146,681,879,079.14/436,904.78
  6. Step 6: Final answer
    x = 335,729.63

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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.