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Finding the Fourth Proportional to 556,948.44, 768,568.26 and 302,294.16

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Solution

The fourth proportional to 556,948.44, 768,568.26 and 302,294.16 is: 417,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,948.44 : 768,568.26 = 302,294.16 : x
  2. Step 2: Convert to fraction form
    556,948.44/768,568.26 = 302,294.16/x
  3. Step 3: Cross multiply
    556,948.44x = 768,568.26 × 302,294.16
  4. Step 4: Simplify right side
    556,948.44x = 232,333,695,047.89
  5. Step 5: Solve for x
    x = 232,333,695,047.89/556,948.44
  6. Step 6: Final answer
    x = 417,154.76

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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.