Finding the Fourth Proportional to 669,962.10, 924,537.21 and 368,149.62
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Solution
The fourth proportional to 669,962.10, 924,537.21 and 368,149.62 is: 508,040.71
Step by Step Solution
- Step 1: Write the proportion equation
669,962.10 : 924,537.21 = 368,149.62 : x - Step 2: Convert to fraction form
669,962.10/924,537.21 = 368,149.62/x - Step 3: Cross multiply
669,962.10x = 924,537.21 × 368,149.62 - Step 4: Simplify right side
669,962.10x = 340,368,022,537.36 - Step 5: Solve for x
x = 340,368,022,537.36/669,962.10 - Step 6: Final answer
x = 508,040.71
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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.