Finding the Fourth Proportional to 563,113.44, 776,473.86 and 358,840.80
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Solution
The fourth proportional to 563,113.44, 776,473.86 and 358,840.80 is: 494,803.50
Step by Step Solution
- Step 1: Write the proportion equation
563,113.44 : 776,473.86 = 358,840.80 : x - Step 2: Convert to fraction form
563,113.44/776,473.86 = 358,840.80/x - Step 3: Cross multiply
563,113.44x = 776,473.86 × 358,840.80 - Step 4: Simplify right side
563,113.44x = 278,630,501,101.49 - Step 5: Solve for x
x = 278,630,501,101.49/563,113.44 - Step 6: Final answer
x = 494,803.50
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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.