Finding the Fourth Proportional to 713,132.37, 1,069,312.19 and 313,305.03
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Solution
The fourth proportional to 713,132.37, 1,069,312.19 and 313,305.03 is: 469,787.80
Step by Step Solution
- Step 1: Write the proportion equation
713,132.37 : 1,069,312.19 = 313,305.03 : x - Step 2: Convert to fraction form
713,132.37/1,069,312.19 = 313,305.03/x - Step 3: Cross multiply
713,132.37x = 1,069,312.19 × 313,305.03 - Step 4: Simplify right side
713,132.37x = 335,020,886,200.79 - Step 5: Solve for x
x = 335,020,886,200.79/713,132.37 - Step 6: Final answer
x = 469,787.80
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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.