Finding the Fourth Proportional to 512,956.56, 707,865.57 and 286,602.06
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Solution
The fourth proportional to 512,956.56, 707,865.57 and 286,602.06 is: 395,502.75
Step by Step Solution
- Step 1: Write the proportion equation
512,956.56 : 707,865.57 = 286,602.06 : x - Step 2: Convert to fraction form
512,956.56/707,865.57 = 286,602.06/x - Step 3: Cross multiply
512,956.56x = 707,865.57 × 286,602.06 - Step 4: Simplify right side
512,956.56x = 202,875,730,565.07 - Step 5: Solve for x
x = 202,875,730,565.07/512,956.56 - Step 6: Final answer
x = 395,502.75
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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.