Finding the Fourth Proportional to 563,907.19, 778,181.76 and 318,888.18
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Solution
The fourth proportional to 563,907.19, 778,181.76 and 318,888.18 is: 440,059.94
Step by Step Solution
- Step 1: Write the proportion equation
563,907.19 : 778,181.76 = 318,888.18 : x - Step 2: Convert to fraction form
563,907.19/778,181.76 = 318,888.18/x - Step 3: Cross multiply
563,907.19x = 778,181.76 × 318,888.18 - Step 4: Simplify right side
563,907.19x = 248,152,963,164.41 - Step 5: Solve for x
x = 248,152,963,164.41/563,907.19 - Step 6: Final answer
x = 440,059.94
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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.