Finding the Fourth Proportional to 750,813.40, 1,126,220.10 and 609,095.80
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Solution
The fourth proportional to 750,813.40, 1,126,220.10 and 609,095.80 is: 913,643.70
Step by Step Solution
- Step 1: Write the proportion equation
750,813.40 : 1,126,220.10 = 609,095.80 : x - Step 2: Convert to fraction form
750,813.40/1,126,220.10 = 609,095.80/x - Step 3: Cross multiply
750,813.40x = 1,126,220.10 × 609,095.80 - Step 4: Simplify right side
750,813.40x = 685,975,932,785.58 - Step 5: Solve for x
x = 685,975,932,785.58/750,813.40 - Step 6: Final answer
x = 913,643.70
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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.