Finding the Fourth Proportional to 961,702.08, 1,443,006.72 and 429,175.68
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Solution
The fourth proportional to 961,702.08, 1,443,006.72 and 429,175.68 is: 643,965.95
Step by Step Solution
- Step 1: Write the proportion equation
961,702.08 : 1,443,006.72 = 429,175.68 : x - Step 2: Convert to fraction form
961,702.08/1,443,006.72 = 429,175.68/x - Step 3: Cross multiply
961,702.08x = 1,443,006.72 × 429,175.68 - Step 4: Simplify right side
961,702.08x = 619,303,390,300.57 - Step 5: Solve for x
x = 619,303,390,300.57/961,702.08 - Step 6: Final answer
x = 643,965.95
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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.