Finding the Fourth Proportional to 565,416.18, 780,280.37 and 307,293.12
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Solution
The fourth proportional to 565,416.18, 780,280.37 and 307,293.12 is: 424,067.79
Step by Step Solution
- Step 1: Write the proportion equation
565,416.18 : 780,280.37 = 307,293.12 : x - Step 2: Convert to fraction form
565,416.18/780,280.37 = 307,293.12/x - Step 3: Cross multiply
565,416.18x = 780,280.37 × 307,293.12 - Step 4: Simplify right side
565,416.18x = 239,774,787,835.59 - Step 5: Solve for x
x = 239,774,787,835.59/565,416.18 - Step 6: Final answer
x = 424,067.79
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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.