Finding the Fourth Proportional to 610,931.62, 916,101.50 and 358,294.84
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Solution
The fourth proportional to 610,931.62, 916,101.50 and 358,294.84 is: 537,268.71
Step by Step Solution
- Step 1: Write the proportion equation
610,931.62 : 916,101.50 = 358,294.84 : x - Step 2: Convert to fraction form
610,931.62/916,101.50 = 358,294.84/x - Step 3: Cross multiply
610,931.62x = 916,101.50 × 358,294.84 - Step 4: Simplify right side
610,931.62x = 328,234,441,437.60 - Step 5: Solve for x
x = 328,234,441,437.60/610,931.62 - Step 6: Final answer
x = 537,268.71
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1.5x scale
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.