Finding the Fourth Proportional to 855,316.23, 1,180,373.45 and 473,343.14
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Solution
The fourth proportional to 855,316.23, 1,180,373.45 and 473,343.14 is: 653,234.03
Step by Step Solution
- Step 1: Write the proportion equation
855,316.23 : 1,180,373.45 = 473,343.14 : x - Step 2: Convert to fraction form
855,316.23/1,180,373.45 = 473,343.14/x - Step 3: Cross multiply
855,316.23x = 1,180,373.45 × 473,343.14 - Step 4: Simplify right side
855,316.23x = 558,721,666,927.05 - Step 5: Solve for x
x = 558,721,666,927.05/855,316.23 - Step 6: Final answer
x = 653,234.03
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1.5x scale
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.