Finding the Fourth Proportional to 624,772.20, 937,158.30 and 556,537.80
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Solution
The fourth proportional to 624,772.20, 937,158.30 and 556,537.80 is: 834,806.70
Step by Step Solution
- Step 1: Write the proportion equation
624,772.20 : 937,158.30 = 556,537.80 : x - Step 2: Convert to fraction form
624,772.20/937,158.30 = 556,537.80/x - Step 3: Cross multiply
624,772.20x = 937,158.30 × 556,537.80 - Step 4: Simplify right side
624,772.20x = 521,564,018,533.74 - Step 5: Solve for x
x = 521,564,018,533.74/624,772.20 - Step 6: Final answer
x = 834,806.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.