Finding the Fourth Proportional to 645,232.84, 890,323.62 and 369,547.88
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Solution
The fourth proportional to 645,232.84, 890,323.62 and 369,547.88 is: 509,920.12
Step by Step Solution
- Step 1: Write the proportion equation
645,232.84 : 890,323.62 = 369,547.88 : x - Step 2: Convert to fraction form
645,232.84/890,323.62 = 369,547.88/x - Step 3: Cross multiply
645,232.84x = 890,323.62 × 369,547.88 - Step 4: Simplify right side
645,232.84x = 329,017,206,284.93 - Step 5: Solve for x
x = 329,017,206,284.93/645,232.84 - Step 6: Final answer
x = 509,920.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.