Finding the Fourth Proportional to 715,159.66, 1,070,967.98 and 489,740.08
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Solution
The fourth proportional to 715,159.66, 1,070,967.98 and 489,740.08 is: 733,396.99
Step by Step Solution
- Step 1: Write the proportion equation
715,159.66 : 1,070,967.98 = 489,740.08 : x - Step 2: Convert to fraction form
715,159.66/1,070,967.98 = 489,740.08/x - Step 3: Cross multiply
715,159.66x = 1,070,967.98 × 489,740.08 - Step 4: Simplify right side
715,159.66x = 524,495,944,202.64 - Step 5: Solve for x
x = 524,495,944,202.64/715,159.66 - Step 6: Final answer
x = 733,396.99
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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.