Finding the Fourth Proportional to 420,719.60, 584,512.44 and 415,675.07
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Solution
The fourth proportional to 420,719.60, 584,512.44 and 415,675.07 is: 577,503.99
Step by Step Solution
- Step 1: Write the proportion equation
420,719.60 : 584,512.44 = 415,675.07 : x - Step 2: Convert to fraction form
420,719.60/584,512.44 = 415,675.07/x - Step 3: Cross multiply
420,719.60x = 584,512.44 × 415,675.07 - Step 4: Simplify right side
420,719.60x = 242,967,249,412.87 - Step 5: Solve for x
x = 242,967,249,412.87/420,719.60 - Step 6: Final answer
x = 577,503.99
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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.