Finding the Fourth Proportional to 988,045.22, 1,363,484.48 and 558,316.10
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Solution
The fourth proportional to 988,045.22, 1,363,484.48 and 558,316.10 is: 770,466.09
Step by Step Solution
- Step 1: Write the proportion equation
988,045.22 : 1,363,484.48 = 558,316.10 : x - Step 2: Convert to fraction form
988,045.22/1,363,484.48 = 558,316.10/x - Step 3: Cross multiply
988,045.22x = 1,363,484.48 × 558,316.10 - Step 4: Simplify right side
988,045.22x = 761,255,337,284.13 - Step 5: Solve for x
x = 761,255,337,284.13/988,045.22 - Step 6: Final answer
x = 770,466.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.