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Finding the Fourth Proportional to 549,782.68, 758,681.72 and 304,757.14

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Solution

The fourth proportional to 549,782.68, 758,681.72 and 304,757.14 is: 420,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,782.68 : 758,681.72 = 304,757.14 : x
  2. Step 2: Convert to fraction form
    549,782.68/758,681.72 = 304,757.14/x
  3. Step 3: Cross multiply
    549,782.68x = 758,681.72 × 304,757.14
  4. Step 4: Simplify right side
    549,782.68x = 231,213,671,157.48
  5. Step 5: Solve for x
    x = 231,213,671,157.48/549,782.68
  6. Step 6: Final answer
    x = 420,554.67

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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.