Finding the Fourth Proportional to 653,621.53, 901,857.79 and 381,565.95
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Solution
The fourth proportional to 653,621.53, 901,857.79 and 381,565.95 is: 526,479.33
Step by Step Solution
- Step 1: Write the proportion equation
653,621.53 : 901,857.79 = 381,565.95 : x - Step 2: Convert to fraction form
653,621.53/901,857.79 = 381,565.95/x - Step 3: Cross multiply
653,621.53x = 901,857.79 × 381,565.95 - Step 4: Simplify right side
653,621.53x = 344,118,224,406.25 - Step 5: Solve for x
x = 344,118,224,406.25/653,621.53 - Step 6: Final answer
x = 526,479.33
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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.