Finding the Fourth Proportional to 855,312.23, 1,180,367.93 and 473,339.14
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Solution
The fourth proportional to 855,312.23, 1,180,367.93 and 473,339.14 is: 653,228.51
Step by Step Solution
- Step 1: Write the proportion equation
855,312.23 : 1,180,367.93 = 473,339.14 : x - Step 2: Convert to fraction form
855,312.23/1,180,367.93 = 473,339.14/x - Step 3: Cross multiply
855,312.23x = 1,180,367.93 × 473,339.14 - Step 4: Simplify right side
855,312.23x = 558,714,332,601.25 - Step 5: Solve for x
x = 558,714,332,601.25/855,312.23 - Step 6: Final answer
x = 653,228.51
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1.5x scale
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.