Finding the Fourth Proportional to 877,509.44, 1,210,966.80 and 475,101.44
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Solution
The fourth proportional to 877,509.44, 1,210,966.80 and 475,101.44 is: 655,642.03
Step by Step Solution
- Step 1: Write the proportion equation
877,509.44 : 1,210,966.80 = 475,101.44 : x - Step 2: Convert to fraction form
877,509.44/1,210,966.80 = 475,101.44/x - Step 3: Cross multiply
877,509.44x = 1,210,966.80 × 475,101.44 - Step 4: Simplify right side
877,509.44x = 575,332,070,472.19 - Step 5: Solve for x
x = 575,332,070,472.19/877,509.44 - Step 6: Final answer
x = 655,642.03
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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.