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Finding the Fourth Proportional to 556,790.16, 768,372.51 and 302,141.37

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Solution

The fourth proportional to 556,790.16, 768,372.51 and 302,141.37 is: 416,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,790.16 : 768,372.51 = 302,141.37 : x
  2. Step 2: Convert to fraction form
    556,790.16/768,372.51 = 302,141.37/x
  3. Step 3: Cross multiply
    556,790.16x = 768,372.51 × 302,141.37
  4. Step 4: Simplify right side
    556,790.16x = 232,157,122,841.74
  5. Step 5: Solve for x
    x = 232,157,122,841.74/556,790.16
  6. Step 6: Final answer
    x = 416,956.22

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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.