Home / 727,160.76-1,003,427.04-404,808.57

Finding the Fourth Proportional to 727,160.76, 1,003,427.04 and 404,808.57

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Solution

The fourth proportional to 727,160.76, 1,003,427.04 and 404,808.57 is: 558,605.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,160.76 : 1,003,427.04 = 404,808.57 : x
  2. Step 2: Convert to fraction form
    727,160.76/1,003,427.04 = 404,808.57/x
  3. Step 3: Cross multiply
    727,160.76x = 1,003,427.04 × 404,808.57
  4. Step 4: Simplify right side
    727,160.76x = 406,195,868,635.94
  5. Step 5: Solve for x
    x = 406,195,868,635.94/727,160.76
  6. Step 6: Final answer
    x = 558,605.32

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1.5x scale

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.