Finding the Fourth Proportional to 887,654.28, 1,224,618.68 and 565,306.68
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Solution
The fourth proportional to 887,654.28, 1,224,618.68 and 565,306.68 is: 779,904.00
Step by Step Solution
- Step 1: Write the proportion equation
887,654.28 : 1,224,618.68 = 565,306.68 : x - Step 2: Convert to fraction form
887,654.28/1,224,618.68 = 565,306.68/x - Step 3: Cross multiply
887,654.28x = 1,224,618.68 × 565,306.68 - Step 4: Simplify right side
887,654.28x = 692,285,120,256.78 - Step 5: Solve for x
x = 692,285,120,256.78/887,654.28 - Step 6: Final answer
x = 779,904.00
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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.