Finding the Fourth Proportional to 624,873.41, 862,323.99 and 338,392.61
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Solution
The fourth proportional to 624,873.41, 862,323.99 and 338,392.61 is: 466,981.09
Step by Step Solution
- Step 1: Write the proportion equation
624,873.41 : 862,323.99 = 338,392.61 : x - Step 2: Convert to fraction form
624,873.41/862,323.99 = 338,392.61/x - Step 3: Cross multiply
624,873.41x = 862,323.99 × 338,392.61 - Step 4: Simplify right side
624,873.41x = 291,804,065,641.71 - Step 5: Solve for x
x = 291,804,065,641.71/624,873.41 - Step 6: Final answer
x = 466,981.09
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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.