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Finding the Fourth Proportional to 549,019.82, 757,681.00 and 307,317.44

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Solution

The fourth proportional to 549,019.82, 757,681.00 and 307,317.44 is: 424,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,019.82 : 757,681.00 = 307,317.44 : x
  2. Step 2: Convert to fraction form
    549,019.82/757,681.00 = 307,317.44/x
  3. Step 3: Cross multiply
    549,019.82x = 757,681.00 × 307,317.44
  4. Step 4: Simplify right side
    549,019.82x = 232,848,586,382.55
  5. Step 5: Solve for x
    x = 232,848,586,382.55/549,019.82
  6. Step 6: Final answer
    x = 424,116.90

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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.