Home / 815,585.76-1,125,507.96-453,043.26

Finding the Fourth Proportional to 815,585.76, 1,125,507.96 and 453,043.26

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Solution

The fourth proportional to 815,585.76, 1,125,507.96 and 453,043.26 is: 625,199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,585.76 : 1,125,507.96 = 453,043.26 : x
  2. Step 2: Convert to fraction form
    815,585.76/1,125,507.96 = 453,043.26/x
  3. Step 3: Cross multiply
    815,585.76x = 1,125,507.96 × 453,043.26
  4. Step 4: Simplify right side
    815,585.76x = 509,903,795,354.35
  5. Step 5: Solve for x
    x = 509,903,795,354.35/815,585.76
  6. Step 6: Final answer
    x = 625,199.48

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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.