Finding the Fourth Proportional to 1,303,700.10, 1,799,110.14 and 722,964.12
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Solution
The fourth proportional to 1,303,700.10, 1,799,110.14 and 722,964.12 is: 997,692.70
Step by Step Solution
- Step 1: Write the proportion equation
1,303,700.10 : 1,799,110.14 = 722,964.12 : x - Step 2: Convert to fraction form
1,303,700.10/1,799,110.14 = 722,964.12/x - Step 3: Cross multiply
1,303,700.10x = 1,799,110.14 × 722,964.12 - Step 4: Simplify right side
1,303,700.10x = 1,300,692,079,148.18 - Step 5: Solve for x
x = 1,300,692,079,148.18/1,303,700.10 - Step 6: Final answer
x = 997,692.70
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1.5x scale
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.