Finding the Fourth Proportional to 525,515.84, 725,211.86 and 283,798.41
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Solution
The fourth proportional to 525,515.84, 725,211.86 and 283,798.41 is: 391,641.81
Step by Step Solution
- Step 1: Write the proportion equation
525,515.84 : 725,211.86 = 283,798.41 : x - Step 2: Convert to fraction form
525,515.84/725,211.86 = 283,798.41/x - Step 3: Cross multiply
525,515.84x = 725,211.86 × 283,798.41 - Step 4: Simplify right side
525,515.84x = 205,813,972,781.14 - Step 5: Solve for x
x = 205,813,972,781.14/525,515.84 - Step 6: Final answer
x = 391,641.81
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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.