Finding the Fourth Proportional to 570,626.08, 787,454.36 and 315,971.80
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Solution
The fourth proportional to 570,626.08, 787,454.36 and 315,971.80 is: 436,035.75
Step by Step Solution
- Step 1: Write the proportion equation
570,626.08 : 787,454.36 = 315,971.80 : x - Step 2: Convert to fraction form
570,626.08/787,454.36 = 315,971.80/x - Step 3: Cross multiply
570,626.08x = 787,454.36 × 315,971.80 - Step 4: Simplify right side
570,626.08x = 248,813,371,547.05 - Step 5: Solve for x
x = 248,813,371,547.05/570,626.08 - Step 6: Final answer
x = 436,035.75
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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.