Finding the Fourth Proportional to 622,689.68, 859,332.88 and 368,258.96
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Solution
The fourth proportional to 622,689.68, 859,332.88 and 368,258.96 is: 508,209.86
Step by Step Solution
- Step 1: Write the proportion equation
622,689.68 : 859,332.88 = 368,258.96 : x - Step 2: Convert to fraction form
622,689.68/859,332.88 = 368,258.96/x - Step 3: Cross multiply
622,689.68x = 859,332.88 × 368,258.96 - Step 4: Simplify right side
622,689.68x = 316,457,032,682.61 - Step 5: Solve for x
x = 316,457,032,682.61/622,689.68 - Step 6: Final answer
x = 508,209.86
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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.