Finding the Fourth Proportional to 803,844.06, 1,206,349.34 and 647,954.70
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Solution
The fourth proportional to 803,844.06, 1,206,349.34 and 647,954.70 is: 972,402.19
Step by Step Solution
- Step 1: Write the proportion equation
803,844.06 : 1,206,349.34 = 647,954.70 : x - Step 2: Convert to fraction form
803,844.06/1,206,349.34 = 647,954.70/x - Step 3: Cross multiply
803,844.06x = 1,206,349.34 × 647,954.70 - Step 4: Simplify right side
803,844.06x = 781,659,721,455.12 - Step 5: Solve for x
x = 781,659,721,455.12/803,844.06 - Step 6: Final answer
x = 972,402.19
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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.