Finding the Fourth Proportional to 668,376.36, 922,695.30 and 435,908.52
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Solution
The fourth proportional to 668,376.36, 922,695.30 and 435,908.52 is: 601,772.84
Step by Step Solution
- Step 1: Write the proportion equation
668,376.36 : 922,695.30 = 435,908.52 : x - Step 2: Convert to fraction form
668,376.36/922,695.30 = 435,908.52/x - Step 3: Cross multiply
668,376.36x = 922,695.30 × 435,908.52 - Step 4: Simplify right side
668,376.36x = 402,210,742,633.96 - Step 5: Solve for x
x = 402,210,742,633.96/668,376.36 - Step 6: Final answer
x = 601,772.84
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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.