Finding the Fourth Proportional to 745,305.84, 1,029,204.72 and 473,461.20
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Solution
The fourth proportional to 745,305.84, 1,029,204.72 and 473,461.20 is: 653,810.12
Step by Step Solution
- Step 1: Write the proportion equation
745,305.84 : 1,029,204.72 = 473,461.20 : x - Step 2: Convert to fraction form
745,305.84/1,029,204.72 = 473,461.20/x - Step 3: Cross multiply
745,305.84x = 1,029,204.72 × 473,461.20 - Step 4: Simplify right side
745,305.84x = 487,288,501,776.86 - Step 5: Solve for x
x = 487,288,501,776.86/745,305.84 - Step 6: Final answer
x = 653,810.12
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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.