Finding the Fourth Proportional to 945,763.12, 1,305,347.34 and 578,303.08
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Solution
The fourth proportional to 945,763.12, 1,305,347.34 and 578,303.08 is: 798,177.02
Step by Step Solution
- Step 1: Write the proportion equation
945,763.12 : 1,305,347.34 = 578,303.08 : x - Step 2: Convert to fraction form
945,763.12/1,305,347.34 = 578,303.08/x - Step 3: Cross multiply
945,763.12x = 1,305,347.34 × 578,303.08 - Step 4: Simplify right side
945,763.12x = 754,886,387,191.81 - Step 5: Solve for x
x = 754,886,387,191.81/945,763.12 - Step 6: Final answer
x = 798,177.02
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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.