Finding the Fourth Proportional to 507,209.68, 700,678.43 and 405,101.08
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Solution
The fourth proportional to 507,209.68, 700,678.43 and 405,101.08 is: 559,621.79
Step by Step Solution
- Step 1: Write the proportion equation
507,209.68 : 700,678.43 = 405,101.08 : x - Step 2: Convert to fraction form
507,209.68/700,678.43 = 405,101.08/x - Step 3: Cross multiply
507,209.68x = 700,678.43 × 405,101.08 - Step 4: Simplify right side
507,209.68x = 283,845,588,725.70 - Step 5: Solve for x
x = 283,845,588,725.70/507,209.68 - Step 6: Final answer
x = 559,621.79
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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.