Finding the Fourth Proportional to 624,056.62, 861,202.36 and 382,339.66
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Solution
The fourth proportional to 624,056.62, 861,202.36 and 382,339.66 is: 527,631.32
Step by Step Solution
- Step 1: Write the proportion equation
624,056.62 : 861,202.36 = 382,339.66 : x - Step 2: Convert to fraction form
624,056.62/861,202.36 = 382,339.66/x - Step 3: Cross multiply
624,056.62x = 861,202.36 × 382,339.66 - Step 4: Simplify right side
624,056.62x = 329,271,817,513.60 - Step 5: Solve for x
x = 329,271,817,513.60/624,056.62 - Step 6: Final answer
x = 527,631.32
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1.5x scale
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.