Finding the Fourth Proportional to 626,864.64, 865,050.84 and 340,378.80
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Solution
The fourth proportional to 626,864.64, 865,050.84 and 340,378.80 is: 469,710.60
Step by Step Solution
- Step 1: Write the proportion equation
626,864.64 : 865,050.84 = 340,378.80 : x - Step 2: Convert to fraction form
626,864.64/865,050.84 = 340,378.80/x - Step 3: Cross multiply
626,864.64x = 865,050.84 × 340,378.80 - Step 4: Simplify right side
626,864.64x = 294,444,966,858.19 - Step 5: Solve for x
x = 294,444,966,858.19/626,864.64 - Step 6: Final answer
x = 469,710.60
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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.