Finding the Fourth Proportional to 519,905.70, 717,435.63 and 302,095.08
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Solution
The fourth proportional to 519,905.70, 717,435.63 and 302,095.08 is: 416,871.32
Step by Step Solution
- Step 1: Write the proportion equation
519,905.70 : 717,435.63 = 302,095.08 : x - Step 2: Convert to fraction form
519,905.70/717,435.63 = 302,095.08/x - Step 3: Cross multiply
519,905.70x = 717,435.63 × 302,095.08 - Step 4: Simplify right side
519,905.70x = 216,733,774,039.70 - Step 5: Solve for x
x = 216,733,774,039.70/519,905.70 - Step 6: Final answer
x = 416,871.32
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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.