Finding the Fourth Proportional to 753,038.68, 1,038,937.44 and 430,520.44
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Solution
The fourth proportional to 753,038.68, 1,038,937.44 and 430,520.44 is: 593,971.88
Step by Step Solution
- Step 1: Write the proportion equation
753,038.68 : 1,038,937.44 = 430,520.44 : x - Step 2: Convert to fraction form
753,038.68/1,038,937.44 = 430,520.44/x - Step 3: Cross multiply
753,038.68x = 1,038,937.44 × 430,520.44 - Step 4: Simplify right side
753,038.68x = 447,283,803,801.27 - Step 5: Solve for x
x = 447,283,803,801.27/753,038.68 - Step 6: Final answer
x = 593,971.88
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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.