Finding the Fourth Proportional to 917,306.80, 1,374,793.80 and 442,970.80
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Solution
The fourth proportional to 917,306.80, 1,374,793.80 and 442,970.80 is: 663,892.94
Step by Step Solution
- Step 1: Write the proportion equation
917,306.80 : 1,374,793.80 = 442,970.80 : x - Step 2: Convert to fraction form
917,306.80/1,374,793.80 = 442,970.80/x - Step 3: Cross multiply
917,306.80x = 1,374,793.80 × 442,970.80 - Step 4: Simplify right side
917,306.80x = 608,993,509,421.04 - Step 5: Solve for x
x = 608,993,509,421.04/917,306.80 - Step 6: Final answer
x = 663,892.94
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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.