Finding the Fourth Proportional to 513,465.06, 708,527.25 and 283,985.88
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Solution
The fourth proportional to 513,465.06, 708,527.25 and 283,985.88 is: 391,870.35
Step by Step Solution
- Step 1: Write the proportion equation
513,465.06 : 708,527.25 = 283,985.88 : x - Step 2: Convert to fraction form
513,465.06/708,527.25 = 283,985.88/x - Step 3: Cross multiply
513,465.06x = 708,527.25 × 283,985.88 - Step 4: Simplify right side
513,465.06x = 201,211,734,595.23 - Step 5: Solve for x
x = 201,211,734,595.23/513,465.06 - Step 6: Final answer
x = 391,870.35
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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.