Finding the Fourth Proportional to 648,041.76, 894,297.87 and 361,555.70
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Solution
The fourth proportional to 648,041.76, 894,297.87 and 361,555.70 is: 498,946.99
Step by Step Solution
- Step 1: Write the proportion equation
648,041.76 : 894,297.87 = 361,555.70 : x - Step 2: Convert to fraction form
648,041.76/894,297.87 = 361,555.70/x - Step 3: Cross multiply
648,041.76x = 894,297.87 × 361,555.70 - Step 4: Simplify right side
648,041.76x = 323,338,487,924.87 - Step 5: Solve for x
x = 323,338,487,924.87/648,041.76 - Step 6: Final answer
x = 498,946.99
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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.