Finding the Fourth Proportional to 754,621.68, 1,041,355.98 and 415,089.84
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Solution
The fourth proportional to 754,621.68, 1,041,355.98 and 415,089.84 is: 572,811.91
Step by Step Solution
- Step 1: Write the proportion equation
754,621.68 : 1,041,355.98 = 415,089.84 : x - Step 2: Convert to fraction form
754,621.68/1,041,355.98 = 415,089.84/x - Step 3: Cross multiply
754,621.68x = 1,041,355.98 × 415,089.84 - Step 4: Simplify right side
754,621.68x = 432,256,287,121.24 - Step 5: Solve for x
x = 432,256,287,121.24/754,621.68 - Step 6: Final answer
x = 572,811.91
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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.