Finding the Fourth Proportional to 747,797.68, 1,031,955.40 and 408,265.92
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Solution
The fourth proportional to 747,797.68, 1,031,955.40 and 408,265.92 is: 563,404.02
Step by Step Solution
- Step 1: Write the proportion equation
747,797.68 : 1,031,955.40 = 408,265.92 : x - Step 2: Convert to fraction form
747,797.68/1,031,955.40 = 408,265.92/x - Step 3: Cross multiply
747,797.68x = 1,031,955.40 × 408,265.92 - Step 4: Simplify right side
747,797.68x = 421,312,220,779.97 - Step 5: Solve for x
x = 421,312,220,779.97/747,797.68 - Step 6: Final answer
x = 563,404.02
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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.