Finding the Fourth Proportional to 998,864.98, 1,378,412.76 and 546,155.98
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Solution
The fourth proportional to 998,864.98, 1,378,412.76 and 546,155.98 is: 753,683.82
Step by Step Solution
- Step 1: Write the proportion equation
998,864.98 : 1,378,412.76 = 546,155.98 : x - Step 2: Convert to fraction form
998,864.98/1,378,412.76 = 546,155.98/x - Step 3: Cross multiply
998,864.98x = 1,378,412.76 × 546,155.98 - Step 4: Simplify right side
998,864.98x = 752,828,371,782.31 - Step 5: Solve for x
x = 752,828,371,782.31/998,864.98 - Step 6: Final answer
x = 753,683.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.