Finding the Fourth Proportional to 495,539.68, 683,829.12 and 280,699.68
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Solution
The fourth proportional to 495,539.68, 683,829.12 and 280,699.68 is: 387,356.70
Step by Step Solution
- Step 1: Write the proportion equation
495,539.68 : 683,829.12 = 280,699.68 : x - Step 2: Convert to fraction form
495,539.68/683,829.12 = 280,699.68/x - Step 3: Cross multiply
495,539.68x = 683,829.12 × 280,699.68 - Step 4: Simplify right side
495,539.68x = 191,950,615,158.68 - Step 5: Solve for x
x = 191,950,615,158.68/495,539.68 - Step 6: Final answer
x = 387,356.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.