Finding the Fourth Proportional to 705,513.84, 973,626.68 and 383,223.84
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Solution
The fourth proportional to 705,513.84, 973,626.68 and 383,223.84 is: 528,858.45
Step by Step Solution
- Step 1: Write the proportion equation
705,513.84 : 973,626.68 = 383,223.84 : x - Step 2: Convert to fraction form
705,513.84/973,626.68 = 383,223.84/x - Step 3: Cross multiply
705,513.84x = 973,626.68 × 383,223.84 - Step 4: Simplify right side
705,513.84x = 373,116,955,036.05 - Step 5: Solve for x
x = 373,116,955,036.05/705,513.84 - Step 6: Final answer
x = 528,858.45
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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.