Finding the Fourth Proportional to 770,487.74, 1,063,252.62 and 426,314.70
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Solution
The fourth proportional to 770,487.74, 1,063,252.62 and 426,314.70 is: 588,302.96
Step by Step Solution
- Step 1: Write the proportion equation
770,487.74 : 1,063,252.62 = 426,314.70 : x - Step 2: Convert to fraction form
770,487.74/1,063,252.62 = 426,314.70/x - Step 3: Cross multiply
770,487.74x = 1,063,252.62 × 426,314.70 - Step 4: Simplify right side
770,487.74x = 453,280,221,719.51 - Step 5: Solve for x
x = 453,280,221,719.51/770,487.74 - Step 6: Final answer
x = 588,302.96
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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.