Finding the Fourth Proportional to 907,720.74, 1,360,950.54 and 402,006.12
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Solution
The fourth proportional to 907,720.74, 1,360,950.54 and 402,006.12 is: 602,729.92
Step by Step Solution
- Step 1: Write the proportion equation
907,720.74 : 1,360,950.54 = 402,006.12 : x - Step 2: Convert to fraction form
907,720.74/1,360,950.54 = 402,006.12/x - Step 3: Cross multiply
907,720.74x = 1,360,950.54 × 402,006.12 - Step 4: Simplify right side
907,720.74x = 547,110,446,097.31 - Step 5: Solve for x
x = 547,110,446,097.31/907,720.74 - Step 6: Final answer
x = 602,729.92
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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.