Finding the Fourth Proportional to 609,203.75, 840,701.18 and 340,931.75
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Solution
The fourth proportional to 609,203.75, 840,701.18 and 340,931.75 is: 470,485.82
Step by Step Solution
- Step 1: Write the proportion equation
609,203.75 : 840,701.18 = 340,931.75 : x - Step 2: Convert to fraction form
609,203.75/840,701.18 = 340,931.75/x - Step 3: Cross multiply
609,203.75x = 840,701.18 × 340,931.75 - Step 4: Simplify right side
609,203.75x = 286,621,724,524.47 - Step 5: Solve for x
x = 286,621,724,524.47/609,203.75 - Step 6: Final answer
x = 470,485.82
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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.