Finding the Fourth Proportional to 668,925.24, 1,003,668.98 and 416,416.95
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Solution
The fourth proportional to 668,925.24, 1,003,668.98 and 416,416.95 is: 624,800.43
Step by Step Solution
- Step 1: Write the proportion equation
668,925.24 : 1,003,668.98 = 416,416.95 : x - Step 2: Convert to fraction form
668,925.24/1,003,668.98 = 416,416.95/x - Step 3: Cross multiply
668,925.24x = 1,003,668.98 × 416,416.95 - Step 4: Simplify right side
668,925.24x = 417,944,773,379.13 - Step 5: Solve for x
x = 417,944,773,379.13/668,925.24 - Step 6: Final answer
x = 624,800.43
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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.