Finding the Fourth Proportional to 497,880.98, 686,957.65 and 283,004.12
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Solution
The fourth proportional to 497,880.98, 686,957.65 and 283,004.12 is: 390,478.56
Step by Step Solution
- Step 1: Write the proportion equation
497,880.98 : 686,957.65 = 283,004.12 : x - Step 2: Convert to fraction form
497,880.98/686,957.65 = 283,004.12/x - Step 3: Cross multiply
497,880.98x = 686,957.65 × 283,004.12 - Step 4: Simplify right side
497,880.98x = 194,411,846,225.40 - Step 5: Solve for x
x = 194,411,846,225.40/497,880.98 - Step 6: Final answer
x = 390,478.56
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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.