Finding the Fourth Proportional to 997,590.60, 1,497,768.30 and 787,465.80
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Solution
The fourth proportional to 997,590.60, 1,497,768.30 and 787,465.80 is: 1,182,289.92
Step by Step Solution
- Step 1: Write the proportion equation
997,590.60 : 1,497,768.30 = 787,465.80 : x - Step 2: Convert to fraction form
997,590.60/1,497,768.30 = 787,465.80/x - Step 3: Cross multiply
997,590.60x = 1,497,768.30 × 787,465.80 - Step 4: Simplify right side
997,590.60x = 1,179,441,312,574.14 - Step 5: Solve for x
x = 1,179,441,312,574.14/997,590.60 - Step 6: Final answer
x = 1,182,289.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.