Finding the Fourth Proportional to 517,298.76, 713,467.87 and 336,069.08
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Solution
The fourth proportional to 517,298.76, 713,467.87 and 336,069.08 is: 463,512.59
Step by Step Solution
- Step 1: Write the proportion equation
517,298.76 : 713,467.87 = 336,069.08 : x - Step 2: Convert to fraction form
517,298.76/713,467.87 = 336,069.08/x - Step 3: Cross multiply
517,298.76x = 713,467.87 × 336,069.08 - Step 4: Simplify right side
517,298.76x = 239,774,489,000.11 - Step 5: Solve for x
x = 239,774,489,000.11/517,298.76 - Step 6: Final answer
x = 463,512.59
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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.