Finding the Fourth Proportional to 750,659.74, 1,035,871.95 and 411,120.70
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Solution
The fourth proportional to 750,659.74, 1,035,871.95 and 411,120.70 is: 567,325.49
Step by Step Solution
- Step 1: Write the proportion equation
750,659.74 : 1,035,871.95 = 411,120.70 : x - Step 2: Convert to fraction form
750,659.74/1,035,871.95 = 411,120.70/x - Step 3: Cross multiply
750,659.74x = 1,035,871.95 × 411,120.70 - Step 4: Simplify right side
750,659.74x = 425,868,401,194.37 - Step 5: Solve for x
x = 425,868,401,194.37/750,659.74 - Step 6: Final answer
x = 567,325.49
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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.