Finding the Fourth Proportional to 785,357.12, 1,176,945.74 and 357,848.17
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Solution
The fourth proportional to 785,357.12, 1,176,945.74 and 357,848.17 is: 536,275.62
Step by Step Solution
- Step 1: Write the proportion equation
785,357.12 : 1,176,945.74 = 357,848.17 : x - Step 2: Convert to fraction form
785,357.12/1,176,945.74 = 357,848.17/x - Step 3: Cross multiply
785,357.12x = 1,176,945.74 × 357,848.17 - Step 4: Simplify right side
785,357.12x = 421,167,879,248.30 - Step 5: Solve for x
x = 421,167,879,248.30/785,357.12 - Step 6: Final answer
x = 536,275.62
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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.