Finding the Fourth Proportional to 961,386.49, 1,440,818.29 and 707,478.49
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Solution
The fourth proportional to 961,386.49, 1,440,818.29 and 707,478.49 is: 1,060,289.45
Step by Step Solution
- Step 1: Write the proportion equation
961,386.49 : 1,440,818.29 = 707,478.49 : x - Step 2: Convert to fraction form
961,386.49/1,440,818.29 = 707,478.49/x - Step 3: Cross multiply
961,386.49x = 1,440,818.29 × 707,478.49 - Step 4: Simplify right side
961,386.49x = 1,019,347,948,173.58 - Step 5: Solve for x
x = 1,019,347,948,173.58/961,386.49 - Step 6: Final answer
x = 1,060,289.45
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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.