Finding the Fourth Proportional to 742,577.96, 1,024,730.16 and 403,038.92
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Solution
The fourth proportional to 742,577.96, 1,024,730.16 and 403,038.92 is: 556,178.82
Step by Step Solution
- Step 1: Write the proportion equation
742,577.96 : 1,024,730.16 = 403,038.92 : x - Step 2: Convert to fraction form
742,577.96/1,024,730.16 = 403,038.92/x - Step 3: Cross multiply
742,577.96x = 1,024,730.16 × 403,038.92 - Step 4: Simplify right side
742,577.96x = 413,006,131,854.18 - Step 5: Solve for x
x = 413,006,131,854.18/742,577.96 - Step 6: Final answer
x = 556,178.82
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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.