Finding the Fourth Proportional to 649,810.79, 896,378.75 and 377,848.73
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Solution
The fourth proportional to 649,810.79, 896,378.75 and 377,848.73 is: 521,221.83
Step by Step Solution
- Step 1: Write the proportion equation
649,810.79 : 896,378.75 = 377,848.73 : x - Step 2: Convert to fraction form
649,810.79/896,378.75 = 377,848.73/x - Step 3: Cross multiply
649,810.79x = 896,378.75 × 377,848.73 - Step 4: Simplify right side
649,810.79x = 338,695,570,397.24 - Step 5: Solve for x
x = 338,695,570,397.24/649,810.79 - Step 6: Final answer
x = 521,221.83
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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.