Finding the Fourth Proportional to 879,579.95, 1,319,495.70 and 280,547.92
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Solution
The fourth proportional to 879,579.95, 1,319,495.70 and 280,547.92 is: 420,861.99
Step by Step Solution
- Step 1: Write the proportion equation
879,579.95 : 1,319,495.70 = 280,547.92 : x - Step 2: Convert to fraction form
879,579.95/1,319,495.70 = 280,547.92/x - Step 3: Cross multiply
879,579.95x = 1,319,495.70 × 280,547.92 - Step 4: Simplify right side
879,579.95x = 370,181,767,486.47 - Step 5: Solve for x
x = 370,181,767,486.47/879,579.95 - Step 6: Final answer
x = 420,861.99
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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.