Finding the Fourth Proportional to 1,033,742.80, 1,549,462.20 and 402,446.80
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Solution
The fourth proportional to 1,033,742.80, 1,549,462.20 and 402,446.80 is: 603,221.71
Step by Step Solution
- Step 1: Write the proportion equation
1,033,742.80 : 1,549,462.20 = 402,446.80 : x - Step 2: Convert to fraction form
1,033,742.80/1,549,462.20 = 402,446.80/x - Step 3: Cross multiply
1,033,742.80x = 1,549,462.20 × 402,446.80 - Step 4: Simplify right side
1,033,742.80x = 623,576,104,110.96 - Step 5: Solve for x
x = 623,576,104,110.96/1,033,742.80 - Step 6: Final answer
x = 603,221.71
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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.