Finding the Fourth Proportional to 847,235.84, 1,169,150.42 and 460,036.12
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Solution
The fourth proportional to 847,235.84, 1,169,150.42 and 460,036.12 is: 634,830.82
Step by Step Solution
- Step 1: Write the proportion equation
847,235.84 : 1,169,150.42 = 460,036.12 : x - Step 2: Convert to fraction form
847,235.84/1,169,150.42 = 460,036.12/x - Step 3: Cross multiply
847,235.84x = 1,169,150.42 × 460,036.12 - Step 4: Simplify right side
847,235.84x = 537,851,422,913.17 - Step 5: Solve for x
x = 537,851,422,913.17/847,235.84 - Step 6: Final answer
x = 634,830.82
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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.