Finding the Fourth Proportional to 1,497,764.90, 2,246,647.35 and 432,841.70
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Solution
The fourth proportional to 1,497,764.90, 2,246,647.35 and 432,841.70 is: 649,262.55
Step by Step Solution
- Step 1: Write the proportion equation
1,497,764.90 : 2,246,647.35 = 432,841.70 : x - Step 2: Convert to fraction form
1,497,764.90/2,246,647.35 = 432,841.70/x - Step 3: Cross multiply
1,497,764.90x = 2,246,647.35 × 432,841.70 - Step 4: Simplify right side
1,497,764.90x = 972,442,658,274.50 - Step 5: Solve for x
x = 972,442,658,274.50/1,497,764.90 - Step 6: Final answer
x = 649,262.55
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1.5x scale
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.