Finding the Fourth Proportional to 602,619.12, 903,928.68 and 265,587.84
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Solution
The fourth proportional to 602,619.12, 903,928.68 and 265,587.84 is: 398,381.76
Step by Step Solution
- Step 1: Write the proportion equation
602,619.12 : 903,928.68 = 265,587.84 : x - Step 2: Convert to fraction form
602,619.12/903,928.68 = 265,587.84/x - Step 3: Cross multiply
602,619.12x = 903,928.68 × 265,587.84 - Step 4: Simplify right side
602,619.12x = 240,072,465,635.25 - Step 5: Solve for x
x = 240,072,465,635.25/602,619.12 - Step 6: Final answer
x = 398,381.76
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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.