Finding the Fourth Proportional to 749,201.99, 1,032,486.19 and 542,119.91
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Solution
The fourth proportional to 749,201.99, 1,032,486.19 and 542,119.91 is: 747,103.35
Step by Step Solution
- Step 1: Write the proportion equation
749,201.99 : 1,032,486.19 = 542,119.91 : x - Step 2: Convert to fraction form
749,201.99/1,032,486.19 = 542,119.91/x - Step 3: Cross multiply
749,201.99x = 1,032,486.19 × 542,119.91 - Step 4: Simplify right side
749,201.99x = 559,731,313,881.31 - Step 5: Solve for x
x = 559,731,313,881.31/749,201.99 - Step 6: Final answer
x = 747,103.35
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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.