Finding the Fourth Proportional to 545,913.84, 817,873.25 and 395,781.96
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Solution
The fourth proportional to 545,913.84, 817,873.25 and 395,781.96 is: 592,949.75
Step by Step Solution
- Step 1: Write the proportion equation
545,913.84 : 817,873.25 = 395,781.96 : x - Step 2: Convert to fraction form
545,913.84/817,873.25 = 395,781.96/x - Step 3: Cross multiply
545,913.84x = 817,873.25 × 395,781.96 - Step 4: Simplify right side
545,913.84x = 323,699,475,937.66 - Step 5: Solve for x
x = 323,699,475,937.66/545,913.84 - Step 6: Final answer
x = 592,949.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.