Finding the Fourth Proportional to 752,848.08, 1,038,931.14 and 408,683.82
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Solution
The fourth proportional to 752,848.08, 1,038,931.14 and 408,683.82 is: 563,984.10
Step by Step Solution
- Step 1: Write the proportion equation
752,848.08 : 1,038,931.14 = 408,683.82 : x - Step 2: Convert to fraction form
752,848.08/1,038,931.14 = 408,683.82/x - Step 3: Cross multiply
752,848.08x = 1,038,931.14 × 408,683.82 - Step 4: Simplify right side
752,848.08x = 424,594,347,012.16 - Step 5: Solve for x
x = 424,594,347,012.16/752,848.08 - Step 6: Final answer
x = 563,984.10
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.