Finding the Fourth Proportional to 889,948.80, 1,334,332.80 and 490,780.80
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Solution
The fourth proportional to 889,948.80, 1,334,332.80 and 490,780.80 is: 735,845.61
Step by Step Solution
- Step 1: Write the proportion equation
889,948.80 : 1,334,332.80 = 490,780.80 : x - Step 2: Convert to fraction form
889,948.80/1,334,332.80 = 490,780.80/x - Step 3: Cross multiply
889,948.80x = 1,334,332.80 × 490,780.80 - Step 4: Simplify right side
889,948.80x = 654,864,919,050.24 - Step 5: Solve for x
x = 654,864,919,050.24/889,948.80 - Step 6: Final answer
x = 735,845.61
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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.