Finding the Fourth Proportional to 887,655.28, 1,224,620.06 and 565,307.68
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Solution
The fourth proportional to 887,655.28, 1,224,620.06 and 565,307.68 is: 779,905.38
Step by Step Solution
- Step 1: Write the proportion equation
887,655.28 : 1,224,620.06 = 565,307.68 : x - Step 2: Convert to fraction form
887,655.28/1,224,620.06 = 565,307.68/x - Step 3: Cross multiply
887,655.28x = 1,224,620.06 × 565,307.68 - Step 4: Simplify right side
887,655.28x = 692,287,125,000.06 - Step 5: Solve for x
x = 692,287,125,000.06/887,655.28 - Step 6: Final answer
x = 779,905.38
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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.