Finding the Fourth Proportional to 648,574.08, 966,337.80 and 612,357.36
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Solution
The fourth proportional to 648,574.08, 966,337.80 and 612,357.36 is: 912,376.99
Step by Step Solution
- Step 1: Write the proportion equation
648,574.08 : 966,337.80 = 612,357.36 : x - Step 2: Convert to fraction form
648,574.08/966,337.80 = 612,357.36/x - Step 3: Cross multiply
648,574.08x = 966,337.80 × 612,357.36 - Step 4: Simplify right side
648,574.08x = 591,744,064,076.21 - Step 5: Solve for x
x = 591,744,064,076.21/648,574.08 - Step 6: Final answer
x = 912,376.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.