Finding the Fourth Proportional to 936,455.91, 1,292,312.57 and 506,736.02
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Solution
The fourth proportional to 936,455.91, 1,292,312.57 and 506,736.02 is: 699,297.55
Step by Step Solution
- Step 1: Write the proportion equation
936,455.91 : 1,292,312.57 = 506,736.02 : x - Step 2: Convert to fraction form
936,455.91/1,292,312.57 = 506,736.02/x - Step 3: Cross multiply
936,455.91x = 1,292,312.57 × 506,736.02 - Step 4: Simplify right side
936,455.91x = 654,861,319,322.53 - Step 5: Solve for x
x = 654,861,319,322.53/936,455.91 - Step 6: Final answer
x = 699,297.55
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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.