Finding the Fourth Proportional to 876,209.63, 1,209,169.35 and 473,801.63
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Solution
The fourth proportional to 876,209.63, 1,209,169.35 and 473,801.63 is: 653,846.28
Step by Step Solution
- Step 1: Write the proportion equation
876,209.63 : 1,209,169.35 = 473,801.63 : x - Step 2: Convert to fraction form
876,209.63/1,209,169.35 = 473,801.63/x - Step 3: Cross multiply
876,209.63x = 1,209,169.35 × 473,801.63 - Step 4: Simplify right side
876,209.63x = 572,906,402,930.19 - Step 5: Solve for x
x = 572,906,402,930.19/876,209.63 - Step 6: Final answer
x = 653,846.28
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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.