Finding the Fourth Proportional to 649,372.24, 896,056.05 and 358,944.58
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Solution
The fourth proportional to 649,372.24, 896,056.05 and 358,944.58 is: 495,300.60
Step by Step Solution
- Step 1: Write the proportion equation
649,372.24 : 896,056.05 = 358,944.58 : x - Step 2: Convert to fraction form
649,372.24/896,056.05 = 358,944.58/x - Step 3: Cross multiply
649,372.24x = 896,056.05 × 358,944.58 - Step 4: Simplify right side
649,372.24x = 321,634,462,523.71 - Step 5: Solve for x
x = 321,634,462,523.71/649,372.24 - Step 6: Final answer
x = 495,300.60
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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.