Finding the Fourth Proportional to 624,829.89, 862,269.35 and 338,349.99
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Solution
The fourth proportional to 624,829.89, 862,269.35 and 338,349.99 is: 466,925.20
Step by Step Solution
- Step 1: Write the proportion equation
624,829.89 : 862,269.35 = 338,349.99 : x - Step 2: Convert to fraction form
624,829.89/862,269.35 = 338,349.99/x - Step 3: Cross multiply
624,829.89x = 862,269.35 × 338,349.99 - Step 4: Simplify right side
624,829.89x = 291,748,824,258.06 - Step 5: Solve for x
x = 291,748,824,258.06/624,829.89 - Step 6: Final answer
x = 466,925.20
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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.