Finding the Fourth Proportional to 1,346,973.80, 2,020,460.70 and 349,701.80
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Solution
The fourth proportional to 1,346,973.80, 2,020,460.70 and 349,701.80 is: 524,552.70
Step by Step Solution
- Step 1: Write the proportion equation
1,346,973.80 : 2,020,460.70 = 349,701.80 : x - Step 2: Convert to fraction form
1,346,973.80/2,020,460.70 = 349,701.80/x - Step 3: Cross multiply
1,346,973.80x = 2,020,460.70 × 349,701.80 - Step 4: Simplify right side
1,346,973.80x = 706,558,743,619.26 - Step 5: Solve for x
x = 706,558,743,619.26/1,346,973.80 - Step 6: Final answer
x = 524,552.70
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1.5x scale
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.