Finding the Fourth Proportional to 909,315.84, 1,254,810.24 and 506,830.08
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Solution
The fourth proportional to 909,315.84, 1,254,810.24 and 506,830.08 is: 699,400.08
Step by Step Solution
- Step 1: Write the proportion equation
909,315.84 : 1,254,810.24 = 506,830.08 : x - Step 2: Convert to fraction form
909,315.84/1,254,810.24 = 506,830.08/x - Step 3: Cross multiply
909,315.84x = 1,254,810.24 × 506,830.08 - Step 4: Simplify right side
909,315.84x = 635,975,574,324.02 - Step 5: Solve for x
x = 635,975,574,324.02/909,315.84 - Step 6: Final answer
x = 699,400.08
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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.