Finding the Fourth Proportional to 692,216.68, 955,078.50 and 405,582.76
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Solution
The fourth proportional to 692,216.68, 955,078.50 and 405,582.76 is: 559,598.44
Step by Step Solution
- Step 1: Write the proportion equation
692,216.68 : 955,078.50 = 405,582.76 : x - Step 2: Convert to fraction form
692,216.68/955,078.50 = 405,582.76/x - Step 3: Cross multiply
692,216.68x = 955,078.50 × 405,582.76 - Step 4: Simplify right side
692,216.68x = 387,363,374,046.66 - Step 5: Solve for x
x = 387,363,374,046.66/692,216.68 - Step 6: Final answer
x = 559,598.44
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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.