Finding the Fourth Proportional to 735,398.60, 1,102,813.58 and 286,058.79
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Solution
The fourth proportional to 735,398.60, 1,102,813.58 and 286,058.79 is: 428,977.59
Step by Step Solution
- Step 1: Write the proportion equation
735,398.60 : 1,102,813.58 = 286,058.79 : x - Step 2: Convert to fraction form
735,398.60/1,102,813.58 = 286,058.79/x - Step 3: Cross multiply
735,398.60x = 1,102,813.58 × 286,058.79 - Step 4: Simplify right side
735,398.60x = 315,469,519,005.52 - Step 5: Solve for x
x = 315,469,519,005.52/735,398.60 - Step 6: Final answer
x = 428,977.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.