Finding the Fourth Proportional to 617,623.20, 926,434.80 and 593,128.80
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Solution
The fourth proportional to 617,623.20, 926,434.80 and 593,128.80 is: 889,693.20
Step by Step Solution
- Step 1: Write the proportion equation
617,623.20 : 926,434.80 = 593,128.80 : x - Step 2: Convert to fraction form
617,623.20/926,434.80 = 593,128.80/x - Step 3: Cross multiply
617,623.20x = 926,434.80 × 593,128.80 - Step 4: Simplify right side
617,623.20x = 549,495,161,202.24 - Step 5: Solve for x
x = 549,495,161,202.24/617,623.20 - Step 6: Final answer
x = 889,693.20
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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.