Finding the Fourth Proportional to 740,103.08, 1,021,366.98 and 453,567.80
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Solution
The fourth proportional to 740,103.08, 1,021,366.98 and 453,567.80 is: 625,938.72
Step by Step Solution
- Step 1: Write the proportion equation
740,103.08 : 1,021,366.98 = 453,567.80 : x - Step 2: Convert to fraction form
740,103.08/1,021,366.98 = 453,567.80/x - Step 3: Cross multiply
740,103.08x = 1,021,366.98 × 453,567.80 - Step 4: Simplify right side
740,103.08x = 463,259,174,111.24 - Step 5: Solve for x
x = 463,259,174,111.24/740,103.08 - Step 6: Final answer
x = 625,938.72
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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.