Finding the Fourth Proportional to 752,658.84, 1,038,672.54 and 413,129.88
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Solution
The fourth proportional to 752,658.84, 1,038,672.54 and 413,129.88 is: 570,121.07
Step by Step Solution
- Step 1: Write the proportion equation
752,658.84 : 1,038,672.54 = 413,129.88 : x - Step 2: Convert to fraction form
752,658.84/1,038,672.54 = 413,129.88/x - Step 3: Cross multiply
752,658.84x = 1,038,672.54 × 413,129.88 - Step 4: Simplify right side
752,658.84x = 429,106,661,809.50 - Step 5: Solve for x
x = 429,106,661,809.50/752,658.84 - Step 6: Final answer
x = 570,121.07
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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.