Finding the Fourth Proportional to 749,864.81, 1,034,813.51 and 410,333.09
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Solution
The fourth proportional to 749,864.81, 1,034,813.51 and 410,333.09 is: 566,259.70
Step by Step Solution
- Step 1: Write the proportion equation
749,864.81 : 1,034,813.51 = 410,333.09 : x - Step 2: Convert to fraction form
749,864.81/1,034,813.51 = 410,333.09/x - Step 3: Cross multiply
749,864.81x = 1,034,813.51 × 410,333.09 - Step 4: Simplify right side
749,864.81x = 424,618,225,132.05 - Step 5: Solve for x
x = 424,618,225,132.05/749,864.81 - Step 6: Final answer
x = 566,259.70
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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.