Finding the Fourth Proportional to 822,417.48, 1,230,214.50 and 772,029
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Solution
The fourth proportional to 822,417.48, 1,230,214.50 and 772,029 is: 1,154,840.81
Step by Step Solution
- Step 1: Write the proportion equation
822,417.48 : 1,230,214.50 = 772,029 : x - Step 2: Convert to fraction form
822,417.48/1,230,214.50 = 772,029/x - Step 3: Cross multiply
822,417.48x = 1,230,214.50 × 772,029 - Step 4: Simplify right side
822,417.48x = 949,761,270,220.50 - Step 5: Solve for x
x = 949,761,270,220.50/822,417.48 - Step 6: Final answer
x = 1,154,840.81
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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.