Finding the Fourth Proportional to 705,004.95, 972,804.19 and 403,140.63
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Solution
The fourth proportional to 705,004.95, 972,804.19 and 403,140.63 is: 556,275.38
Step by Step Solution
- Step 1: Write the proportion equation
705,004.95 : 972,804.19 = 403,140.63 : x - Step 2: Convert to fraction form
705,004.95/972,804.19 = 403,140.63/x - Step 3: Cross multiply
705,004.95x = 972,804.19 × 403,140.63 - Step 4: Simplify right side
705,004.95x = 392,176,894,023.24 - Step 5: Solve for x
x = 392,176,894,023.24/705,004.95 - Step 6: Final answer
x = 556,275.38
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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.