Finding the Fourth Proportional to 817,482.64, 1,226,307.60 and 312,468.70
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Solution
The fourth proportional to 817,482.64, 1,226,307.60 and 312,468.70 is: 468,735.02
Step by Step Solution
- Step 1: Write the proportion equation
817,482.64 : 1,226,307.60 = 312,468.70 : x - Step 2: Convert to fraction form
817,482.64/1,226,307.60 = 312,468.70/x - Step 3: Cross multiply
817,482.64x = 1,226,307.60 × 312,468.70 - Step 4: Simplify right side
817,482.64x = 383,182,741,572.12 - Step 5: Solve for x
x = 383,182,741,572.12/817,482.64 - Step 6: Final answer
x = 468,735.02
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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.