Finding the Fourth Proportional to 961,712.35, 1,327,047.40 and 553,946.81
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Solution
The fourth proportional to 961,712.35, 1,327,047.40 and 553,946.81 is: 764,379.99
Step by Step Solution
- Step 1: Write the proportion equation
961,712.35 : 1,327,047.40 = 553,946.81 : x - Step 2: Convert to fraction form
961,712.35/1,327,047.40 = 553,946.81/x - Step 3: Cross multiply
961,712.35x = 1,327,047.40 × 553,946.81 - Step 4: Simplify right side
961,712.35x = 735,113,673,948.79 - Step 5: Solve for x
x = 735,113,673,948.79/961,712.35 - Step 6: Final answer
x = 764,379.99
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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.