Finding the Fourth Proportional to 649,390.30, 896,080.99 and 358,962.63
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Solution
The fourth proportional to 649,390.30, 896,080.99 and 358,962.63 is: 495,325.52
Step by Step Solution
- Step 1: Write the proportion equation
649,390.30 : 896,080.99 = 358,962.63 : x - Step 2: Convert to fraction form
649,390.30/896,080.99 = 358,962.63/x - Step 3: Cross multiply
649,390.30x = 896,080.99 × 358,962.63 - Step 4: Simplify right side
649,390.30x = 321,659,588,863.40 - Step 5: Solve for x
x = 321,659,588,863.40/649,390.30 - Step 6: Final answer
x = 495,325.52
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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.