Finding the Fourth Proportional to 507,881.16, 761,982.70 and 305,698.68
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Solution
The fourth proportional to 507,881.16, 761,982.70 and 305,698.68 is: 458,644.90
Step by Step Solution
- Step 1: Write the proportion equation
507,881.16 : 761,982.70 = 305,698.68 : x - Step 2: Convert to fraction form
507,881.16/761,982.70 = 305,698.68/x - Step 3: Cross multiply
507,881.16x = 761,982.70 × 305,698.68 - Step 4: Simplify right side
507,881.16x = 232,937,105,572.84 - Step 5: Solve for x
x = 232,937,105,572.84/507,881.16 - Step 6: Final answer
x = 458,644.90
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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.