Finding the Fourth Proportional to 679,738.03, 1,017,389.26 and 499,775.74
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Solution
The fourth proportional to 679,738.03, 1,017,389.26 and 499,775.74 is: 748,032.99
Step by Step Solution
- Step 1: Write the proportion equation
679,738.03 : 1,017,389.26 = 499,775.74 : x - Step 2: Convert to fraction form
679,738.03/1,017,389.26 = 499,775.74/x - Step 3: Cross multiply
679,738.03x = 1,017,389.26 × 499,775.74 - Step 4: Simplify right side
679,738.03x = 508,466,466,491.64 - Step 5: Solve for x
x = 508,466,466,491.64/679,738.03 - Step 6: Final answer
x = 748,032.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.