Home / 943,253.80-1,302,128.96-555,947.04

Finding the Fourth Proportional to 943,253.80, 1,302,128.96 and 555,947.04

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Solution

The fourth proportional to 943,253.80, 1,302,128.96 and 555,947.04 is: 767,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,253.80 : 1,302,128.96 = 555,947.04 : x
  2. Step 2: Convert to fraction form
    943,253.80/1,302,128.96 = 555,947.04/x
  3. Step 3: Cross multiply
    943,253.80x = 1,302,128.96 × 555,947.04
  4. Step 4: Simplify right side
    943,253.80x = 723,914,741,010.28
  5. Step 5: Solve for x
    x = 723,914,741,010.28/943,253.80
  6. Step 6: Final answer
    x = 767,465.49

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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.