Finding the Fourth Proportional to 855,424.99, 1,180,482.01 and 473,438.71
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Solution
The fourth proportional to 855,424.99, 1,180,482.01 and 473,438.71 is: 653,342.94
Step by Step Solution
- Step 1: Write the proportion equation
855,424.99 : 1,180,482.01 = 473,438.71 : x - Step 2: Convert to fraction form
855,424.99/1,180,482.01 = 473,438.71/x - Step 3: Cross multiply
855,424.99x = 1,180,482.01 × 473,438.71 - Step 4: Simplify right side
855,424.99x = 558,885,879,992.61 - Step 5: Solve for x
x = 558,885,879,992.61/855,424.99 - Step 6: Final answer
x = 653,342.94
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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.