Finding the Fourth Proportional to 713,541.62, 1,070,148.66 and 425,434.80
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Solution
The fourth proportional to 713,541.62, 1,070,148.66 and 425,434.80 is: 638,054.55
Step by Step Solution
- Step 1: Write the proportion equation
713,541.62 : 1,070,148.66 = 425,434.80 : x - Step 2: Convert to fraction form
713,541.62/1,070,148.66 = 425,434.80/x - Step 3: Cross multiply
713,541.62x = 1,070,148.66 × 425,434.80 - Step 4: Simplify right side
713,541.62x = 455,278,479,928.53 - Step 5: Solve for x
x = 455,278,479,928.53/713,541.62 - Step 6: Final answer
x = 638,054.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.