Finding the Fourth Proportional to 972,210.24, 1,341,931.74 and 564,403.68
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Solution
The fourth proportional to 972,210.24, 1,341,931.74 and 564,403.68 is: 779,040.56
Step by Step Solution
- Step 1: Write the proportion equation
972,210.24 : 1,341,931.74 = 564,403.68 : x - Step 2: Convert to fraction form
972,210.24/1,341,931.74 = 564,403.68/x - Step 3: Cross multiply
972,210.24x = 1,341,931.74 × 564,403.68 - Step 4: Simplify right side
972,210.24x = 757,391,212,364.80 - Step 5: Solve for x
x = 757,391,212,364.80/972,210.24 - Step 6: Final answer
x = 779,040.56
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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.