Finding the Fourth Proportional to 602,484.88, 831,430.12 and 334,212.88
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Solution
The fourth proportional to 602,484.88, 831,430.12 and 334,212.88 is: 461,214.32
Step by Step Solution
- Step 1: Write the proportion equation
602,484.88 : 831,430.12 = 334,212.88 : x - Step 2: Convert to fraction form
602,484.88/831,430.12 = 334,212.88/x - Step 3: Cross multiply
602,484.88x = 831,430.12 × 334,212.88 - Step 4: Simplify right side
602,484.88x = 277,874,654,923.95 - Step 5: Solve for x
x = 277,874,654,923.95/602,484.88 - Step 6: Final answer
x = 461,214.32
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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.