Finding the Fourth Proportional to 855,289.20, 1,180,269.84 and 473,332.08
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Solution
The fourth proportional to 855,289.20, 1,180,269.84 and 473,332.08 is: 653,182.08
Step by Step Solution
- Step 1: Write the proportion equation
855,289.20 : 1,180,269.84 = 473,332.08 : x - Step 2: Convert to fraction form
855,289.20/1,180,269.84 = 473,332.08/x - Step 3: Cross multiply
855,289.20x = 1,180,269.84 × 473,332.08 - Step 4: Simplify right side
855,289.20x = 558,659,578,328.47 - Step 5: Solve for x
x = 558,659,578,328.47/855,289.20 - Step 6: Final answer
x = 653,182.08
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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.