Finding the Fourth Proportional to 750,467.77, 1,126,150.17 and 689,416.10
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Solution
The fourth proportional to 750,467.77, 1,126,150.17 and 689,416.10 is: 1,034,536.17
Step by Step Solution
- Step 1: Write the proportion equation
750,467.77 : 1,126,150.17 = 689,416.10 : x - Step 2: Convert to fraction form
750,467.77/1,126,150.17 = 689,416.10/x - Step 3: Cross multiply
750,467.77x = 1,126,150.17 × 689,416.10 - Step 4: Simplify right side
750,467.77x = 776,386,049,999.68 - Step 5: Solve for x
x = 776,386,049,999.68/750,467.77 - Step 6: Final answer
x = 1,034,536.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.