Finding the Fourth Proportional to 774,465.60, 1,068,754.80 and 430,294.07
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Solution
The fourth proportional to 774,465.60, 1,068,754.80 and 430,294.07 is: 593,801.53
Step by Step Solution
- Step 1: Write the proportion equation
774,465.60 : 1,068,754.80 = 430,294.07 : x - Step 2: Convert to fraction form
774,465.60/1,068,754.80 = 430,294.07/x - Step 3: Cross multiply
774,465.60x = 1,068,754.80 × 430,294.07 - Step 4: Simplify right side
774,465.60x = 459,878,857,009.53 - Step 5: Solve for x
x = 459,878,857,009.53/774,465.60 - Step 6: Final answer
x = 593,801.53
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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.