Finding the Fourth Proportional to 740,102.52, 1,021,360.14 and 453,780.48
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Solution
The fourth proportional to 740,102.52, 1,021,360.14 and 453,780.48 is: 626,228.50
Step by Step Solution
- Step 1: Write the proportion equation
740,102.52 : 1,021,360.14 = 453,780.48 : x - Step 2: Convert to fraction form
740,102.52/1,021,360.14 = 453,780.48/x - Step 3: Cross multiply
740,102.52x = 1,021,360.14 × 453,780.48 - Step 4: Simplify right side
740,102.52x = 463,473,294,582.07 - Step 5: Solve for x
x = 463,473,294,582.07/740,102.52 - Step 6: Final answer
x = 626,228.50
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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.