Home / 910,415.70-1,365,805.80-270,718.20

Finding the Fourth Proportional to 910,415.70, 1,365,805.80 and 270,718.20

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Solution

The fourth proportional to 910,415.70, 1,365,805.80 and 270,718.20 is: 406,131.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,415.70 : 1,365,805.80 = 270,718.20 : x
  2. Step 2: Convert to fraction form
    910,415.70/1,365,805.80 = 270,718.20/x
  3. Step 3: Cross multiply
    910,415.70x = 1,365,805.80 × 270,718.20
  4. Step 4: Simplify right side
    910,415.70x = 369,748,487,725.56
  5. Step 5: Solve for x
    x = 369,748,487,725.56/910,415.70
  6. Step 6: Final answer
    x = 406,131.49

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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.