Finding the Fourth Proportional to 788,681.80, 1,183,022.70 and 473,753.80
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Solution
The fourth proportional to 788,681.80, 1,183,022.70 and 473,753.80 is: 710,630.70
Step by Step Solution
- Step 1: Write the proportion equation
788,681.80 : 1,183,022.70 = 473,753.80 : x - Step 2: Convert to fraction form
788,681.80/1,183,022.70 = 473,753.80/x - Step 3: Cross multiply
788,681.80x = 1,183,022.70 × 473,753.80 - Step 4: Simplify right side
788,681.80x = 560,461,499,611.26 - Step 5: Solve for x
x = 560,461,499,611.26/788,681.80 - Step 6: Final answer
x = 710,630.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.