Finding the Fourth Proportional to 876,808.60, 1,312,880.10 and 559,547.80
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Solution
The fourth proportional to 876,808.60, 1,312,880.10 and 559,547.80 is: 837,832.99
Step by Step Solution
- Step 1: Write the proportion equation
876,808.60 : 1,312,880.10 = 559,547.80 : x - Step 2: Convert to fraction form
876,808.60/1,312,880.10 = 559,547.80/x - Step 3: Cross multiply
876,808.60x = 1,312,880.10 × 559,547.80 - Step 4: Simplify right side
876,808.60x = 734,619,171,618.78 - Step 5: Solve for x
x = 734,619,171,618.78/876,808.60 - Step 6: Final answer
x = 837,832.99
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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.