Finding the Fourth Proportional to 876,916.84, 1,315,792.98 and 607,460.08
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Solution
The fourth proportional to 876,916.84, 1,315,792.98 and 607,460.08 is: 911,479.48
Step by Step Solution
- Step 1: Write the proportion equation
876,916.84 : 1,315,792.98 = 607,460.08 : x - Step 2: Convert to fraction form
876,916.84/1,315,792.98 = 607,460.08/x - Step 3: Cross multiply
876,916.84x = 1,315,792.98 × 607,460.08 - Step 4: Simplify right side
876,916.84x = 799,291,708,894.24 - Step 5: Solve for x
x = 799,291,708,894.24/876,916.84 - Step 6: Final answer
x = 911,479.48
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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.