Finding the Fourth Proportional to 652,840.14, 900,876.58 and 380,864.13
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Solution
The fourth proportional to 652,840.14, 900,876.58 and 380,864.13 is: 525,567.52
Step by Step Solution
- Step 1: Write the proportion equation
652,840.14 : 900,876.58 = 380,864.13 : x - Step 2: Convert to fraction form
652,840.14/900,876.58 = 380,864.13/x - Step 3: Cross multiply
652,840.14x = 900,876.58 × 380,864.13 - Step 4: Simplify right side
652,840.14x = 343,111,573,926.92 - Step 5: Solve for x
x = 343,111,573,926.92/652,840.14 - Step 6: Final answer
x = 525,567.52
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1.5x scale
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.