Finding the Fourth Proportional to 713,558.20, 1,070,337.30 and 293,135.80
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Solution
The fourth proportional to 713,558.20, 1,070,337.30 and 293,135.80 is: 439,703.70
Step by Step Solution
- Step 1: Write the proportion equation
713,558.20 : 1,070,337.30 = 293,135.80 : x - Step 2: Convert to fraction form
713,558.20/1,070,337.30 = 293,135.80/x - Step 3: Cross multiply
713,558.20x = 1,070,337.30 × 293,135.80 - Step 4: Simplify right side
713,558.20x = 313,754,180,705.34 - Step 5: Solve for x
x = 313,754,180,705.34/713,558.20 - Step 6: Final answer
x = 439,703.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.