Finding the Fourth Proportional to 924,328.29, 1,386,363 and 317,106.53
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Solution
The fourth proportional to 924,328.29, 1,386,363 and 317,106.53 is: 475,615.39
Step by Step Solution
- Step 1: Write the proportion equation
924,328.29 : 1,386,363 = 317,106.53 : x - Step 2: Convert to fraction form
924,328.29/1,386,363 = 317,106.53/x - Step 3: Cross multiply
924,328.29x = 1,386,363 × 317,106.53 - Step 4: Simplify right side
924,328.29x = 439,624,758,517.44 - Step 5: Solve for x
x = 439,624,758,517.44/924,328.29 - Step 6: Final answer
x = 475,615.39
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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.