Finding the Fourth Proportional to 692,671.40, 1,039,521.34 and 524,403.62
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Solution
The fourth proportional to 692,671.40, 1,039,521.34 and 524,403.62 is: 786,994.75
Step by Step Solution
- Step 1: Write the proportion equation
692,671.40 : 1,039,521.34 = 524,403.62 : x - Step 2: Convert to fraction form
692,671.40/1,039,521.34 = 524,403.62/x - Step 3: Cross multiply
692,671.40x = 1,039,521.34 × 524,403.62 - Step 4: Simplify right side
692,671.40x = 545,128,753,763.25 - Step 5: Solve for x
x = 545,128,753,763.25/692,671.40 - Step 6: Final answer
x = 786,994.75
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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.