Finding the Fourth Proportional to 877,675.05, 1,211,184.63 and 475,267.05
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Solution
The fourth proportional to 877,675.05, 1,211,184.63 and 475,267.05 is: 655,864.77
Step by Step Solution
- Step 1: Write the proportion equation
877,675.05 : 1,211,184.63 = 475,267.05 : x - Step 2: Convert to fraction form
877,675.05/1,211,184.63 = 475,267.05/x - Step 3: Cross multiply
877,675.05x = 1,211,184.63 × 475,267.05 - Step 4: Simplify right side
877,675.05x = 575,636,146,105.44 - Step 5: Solve for x
x = 575,636,146,105.44/877,675.05 - Step 6: Final answer
x = 655,864.77
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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.