Finding the Fourth Proportional to 781,536.55, 1,172,282.95 and 249,089.53
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Solution
The fourth proportional to 781,536.55, 1,172,282.95 and 249,089.53 is: 373,627.32
Step by Step Solution
- Step 1: Write the proportion equation
781,536.55 : 1,172,282.95 = 249,089.53 : x - Step 2: Convert to fraction form
781,536.55/1,172,282.95 = 249,089.53/x - Step 3: Cross multiply
781,536.55x = 1,172,282.95 × 249,089.53 - Step 4: Simplify right side
781,536.55x = 292,003,401,935.65 - Step 5: Solve for x
x = 292,003,401,935.65/781,536.55 - Step 6: Final answer
x = 373,627.32
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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.