Home / 815,701.89-1,125,637.29-453,148.54

Finding the Fourth Proportional to 815,701.89, 1,125,637.29 and 453,148.54

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Solution

The fourth proportional to 815,701.89, 1,125,637.29 and 453,148.54 is: 625,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,701.89 : 1,125,637.29 = 453,148.54 : x
  2. Step 2: Convert to fraction form
    815,701.89/1,125,637.29 = 453,148.54/x
  3. Step 3: Cross multiply
    815,701.89x = 1,125,637.29 × 453,148.54
  4. Step 4: Simplify right side
    815,701.89x = 510,080,894,533.06
  5. Step 5: Solve for x
    x = 510,080,894,533.06/815,701.89
  6. Step 6: Final answer
    x = 625,327.59

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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.