Finding the Fourth Proportional to 983,558.88, 1,475,209.14 and 309,643.74
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Solution
The fourth proportional to 983,558.88, 1,475,209.14 and 309,643.74 is: 464,424.94
Step by Step Solution
- Step 1: Write the proportion equation
983,558.88 : 1,475,209.14 = 309,643.74 : x - Step 2: Convert to fraction form
983,558.88/1,475,209.14 = 309,643.74/x - Step 3: Cross multiply
983,558.88x = 1,475,209.14 × 309,643.74 - Step 4: Simplify right side
983,558.88x = 456,789,275,391.78 - Step 5: Solve for x
x = 456,789,275,391.78/983,558.88 - Step 6: Final answer
x = 464,424.94
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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.