Finding the Fourth Proportional to 847,225.74, 1,169,337.16 and 525,079.02
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Solution
The fourth proportional to 847,225.74, 1,169,337.16 and 525,079.02 is: 724,711.70
Step by Step Solution
- Step 1: Write the proportion equation
847,225.74 : 1,169,337.16 = 525,079.02 : x - Step 2: Convert to fraction form
847,225.74/1,169,337.16 = 525,079.02/x - Step 3: Cross multiply
847,225.74x = 1,169,337.16 × 525,079.02 - Step 4: Simplify right side
847,225.74x = 613,994,410,022.38 - Step 5: Solve for x
x = 613,994,410,022.38/847,225.74 - Step 6: Final answer
x = 724,711.70
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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.