Finding the Fourth Proportional to 539,031.80, 808,547.70 and 381,567.80
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Solution
The fourth proportional to 539,031.80, 808,547.70 and 381,567.80 is: 572,351.70
Step by Step Solution
- Step 1: Write the proportion equation
539,031.80 : 808,547.70 = 381,567.80 : x - Step 2: Convert to fraction form
539,031.80/808,547.70 = 381,567.80/x - Step 3: Cross multiply
539,031.80x = 808,547.70 × 381,567.80 - Step 4: Simplify right side
539,031.80x = 308,515,767,084.06 - Step 5: Solve for x
x = 308,515,767,084.06/539,031.80 - Step 6: Final answer
x = 572,351.70
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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.