Finding the Fourth Proportional to 999,377.16, 1,498,848.62 and 316,317.12
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Solution
The fourth proportional to 999,377.16, 1,498,848.62 and 316,317.12 is: 474,406.96
Step by Step Solution
- Step 1: Write the proportion equation
999,377.16 : 1,498,848.62 = 316,317.12 : x - Step 2: Convert to fraction form
999,377.16/1,498,848.62 = 316,317.12/x - Step 3: Cross multiply
999,377.16x = 1,498,848.62 × 316,317.12 - Step 4: Simplify right side
999,377.16x = 474,111,478,794.37 - Step 5: Solve for x
x = 474,111,478,794.37/999,377.16 - Step 6: Final answer
x = 474,406.96
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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.