Finding the Fourth Proportional to 611,466.24, 918,421.68 and 368,792.40
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Solution
The fourth proportional to 611,466.24, 918,421.68 and 368,792.40 is: 553,925.82
Step by Step Solution
- Step 1: Write the proportion equation
611,466.24 : 918,421.68 = 368,792.40 : x - Step 2: Convert to fraction form
611,466.24/918,421.68 = 368,792.40/x - Step 3: Cross multiply
611,466.24x = 918,421.68 × 368,792.40 - Step 4: Simplify right side
611,466.24x = 338,706,935,579.23 - Step 5: Solve for x
x = 338,706,935,579.23/611,466.24 - Step 6: Final answer
x = 553,925.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.