Finding the Fourth Proportional to 974,386.36, 1,343,985.98 and 635,313.88
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Solution
The fourth proportional to 974,386.36, 1,343,985.98 and 635,313.88 is: 876,298.13
Step by Step Solution
- Step 1: Write the proportion equation
974,386.36 : 1,343,985.98 = 635,313.88 : x - Step 2: Convert to fraction form
974,386.36/1,343,985.98 = 635,313.88/x - Step 3: Cross multiply
974,386.36x = 1,343,985.98 × 635,313.88 - Step 4: Simplify right side
974,386.36x = 853,852,947,619.40 - Step 5: Solve for x
x = 853,852,947,619.40/974,386.36 - Step 6: Final answer
x = 876,298.13
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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.