Finding the Fourth Proportional to 507,753.24, 700,699.86 and 281,398.74
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Solution
The fourth proportional to 507,753.24, 700,699.86 and 281,398.74 is: 388,330.48
Step by Step Solution
- Step 1: Write the proportion equation
507,753.24 : 700,699.86 = 281,398.74 : x - Step 2: Convert to fraction form
507,753.24/700,699.86 = 281,398.74/x - Step 3: Cross multiply
507,753.24x = 700,699.86 × 281,398.74 - Step 4: Simplify right side
507,753.24x = 197,176,057,722.18 - Step 5: Solve for x
x = 197,176,057,722.18/507,753.24 - Step 6: Final answer
x = 388,330.48
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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.