Finding the Fourth Proportional to 916,323.48, 1,264,569 and 572,363.08
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Solution
The fourth proportional to 916,323.48, 1,264,569 and 572,363.08 is: 789,887.66
Step by Step Solution
- Step 1: Write the proportion equation
916,323.48 : 1,264,569 = 572,363.08 : x - Step 2: Convert to fraction form
916,323.48/1,264,569 = 572,363.08/x - Step 3: Cross multiply
916,323.48x = 1,264,569 × 572,363.08 - Step 4: Simplify right side
916,323.48x = 723,792,607,712.52 - Step 5: Solve for x
x = 723,792,607,712.52/916,323.48 - Step 6: Final answer
x = 789,887.66
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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.