Finding the Fourth Proportional to 630,418.05, 869,941.45 and 358,552.08
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Solution
The fourth proportional to 630,418.05, 869,941.45 and 358,552.08 is: 494,781.70
Step by Step Solution
- Step 1: Write the proportion equation
630,418.05 : 869,941.45 = 358,552.08 : x - Step 2: Convert to fraction form
630,418.05/869,941.45 = 358,552.08/x - Step 3: Cross multiply
630,418.05x = 869,941.45 × 358,552.08 - Step 4: Simplify right side
630,418.05x = 311,919,316,375.72 - Step 5: Solve for x
x = 311,919,316,375.72/630,418.05 - Step 6: Final answer
x = 494,781.70
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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.