Finding the Fourth Proportional to 745,209.36, 1,029,072.12 and 473,364.84
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Solution
The fourth proportional to 745,209.36, 1,029,072.12 and 473,364.84 is: 653,677.46
Step by Step Solution
- Step 1: Write the proportion equation
745,209.36 : 1,029,072.12 = 473,364.84 : x - Step 2: Convert to fraction form
745,209.36/1,029,072.12 = 473,364.84/x - Step 3: Cross multiply
745,209.36x = 1,029,072.12 × 473,364.84 - Step 4: Simplify right side
745,209.36x = 487,126,559,432.26 - Step 5: Solve for x
x = 487,126,559,432.26/745,209.36 - Step 6: Final answer
x = 653,677.46
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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.