Finding the Fourth Proportional to 698,510.58, 1,046,889.18 and 298,681.08
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Solution
The fourth proportional to 698,510.58, 1,046,889.18 and 298,681.08 is: 447,646.75
Step by Step Solution
- Step 1: Write the proportion equation
698,510.58 : 1,046,889.18 = 298,681.08 : x - Step 2: Convert to fraction form
698,510.58/1,046,889.18 = 298,681.08/x - Step 3: Cross multiply
698,510.58x = 1,046,889.18 × 298,681.08 - Step 4: Simplify right side
698,510.58x = 312,685,990,922.71 - Step 5: Solve for x
x = 312,685,990,922.71/698,510.58 - Step 6: Final answer
x = 447,646.75
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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.