Finding the Fourth Proportional to 742,440.44, 1,024,567.76 and 402,908.68
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Solution
The fourth proportional to 742,440.44, 1,024,567.76 and 402,908.68 is: 556,013.95
Step by Step Solution
- Step 1: Write the proportion equation
742,440.44 : 1,024,567.76 = 402,908.68 : x - Step 2: Convert to fraction form
742,440.44/1,024,567.76 = 402,908.68/x - Step 3: Cross multiply
742,440.44x = 1,024,567.76 × 402,908.68 - Step 4: Simplify right side
742,440.44x = 412,807,243,752.16 - Step 5: Solve for x
x = 412,807,243,752.16/742,440.44 - Step 6: Final answer
x = 556,013.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.