Finding the Fourth Proportional to 903,438.77, 1,248,209.93 and 768,894.53
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Solution
The fourth proportional to 903,438.77, 1,248,209.93 and 768,894.53 is: 1,062,320.79
Step by Step Solution
- Step 1: Write the proportion equation
903,438.77 : 1,248,209.93 = 768,894.53 : x - Step 2: Convert to fraction form
903,438.77/1,248,209.93 = 768,894.53/x - Step 3: Cross multiply
903,438.77x = 1,248,209.93 × 768,894.53 - Step 4: Simplify right side
903,438.77x = 959,741,786,744.74 - Step 5: Solve for x
x = 959,741,786,744.74/903,438.77 - Step 6: Final answer
x = 1,062,320.79
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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.