Finding the Fourth Proportional to 721,248.62, 994,987.95 and 466,681.82
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Solution
The fourth proportional to 721,248.62, 994,987.95 and 466,681.82 is: 643,804.06
Step by Step Solution
- Step 1: Write the proportion equation
721,248.62 : 994,987.95 = 466,681.82 : x - Step 2: Convert to fraction form
721,248.62/994,987.95 = 466,681.82/x - Step 3: Cross multiply
721,248.62x = 994,987.95 × 466,681.82 - Step 4: Simplify right side
721,248.62x = 464,342,787,384.07 - Step 5: Solve for x
x = 464,342,787,384.07/721,248.62 - Step 6: Final answer
x = 643,804.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.