Finding the Fourth Proportional to 934,864.80, 1,290,377.68 and 553,024.32
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Solution
The fourth proportional to 934,864.80, 1,290,377.68 and 553,024.32 is: 763,329.88
Step by Step Solution
- Step 1: Write the proportion equation
934,864.80 : 1,290,377.68 = 553,024.32 : x - Step 2: Convert to fraction form
934,864.80/1,290,377.68 = 553,024.32/x - Step 3: Cross multiply
934,864.80x = 1,290,377.68 × 553,024.32 - Step 4: Simplify right side
934,864.80x = 713,610,239,025.18 - Step 5: Solve for x
x = 713,610,239,025.18/934,864.80 - Step 6: Final answer
x = 763,329.88
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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.