Finding the Fourth Proportional to 634,211.84, 875,089.12 and 376,041.08
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Solution
The fourth proportional to 634,211.84, 875,089.12 and 376,041.08 is: 518,863.63
Step by Step Solution
- Step 1: Write the proportion equation
634,211.84 : 875,089.12 = 376,041.08 : x - Step 2: Convert to fraction form
634,211.84/875,089.12 = 376,041.08/x - Step 3: Cross multiply
634,211.84x = 875,089.12 × 376,041.08 - Step 4: Simplify right side
634,211.84x = 329,069,457,781.05 - Step 5: Solve for x
x = 329,069,457,781.05/634,211.84 - Step 6: Final answer
x = 518,863.63
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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.