Home / 901,609.78-1,352,912.67-502,475.45

Finding the Fourth Proportional to 901,609.78, 1,352,912.67 and 502,475.45

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Solution

The fourth proportional to 901,609.78, 1,352,912.67 and 502,475.45 is: 753,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,609.78 : 1,352,912.67 = 502,475.45 : x
  2. Step 2: Convert to fraction form
    901,609.78/1,352,912.67 = 502,475.45/x
  3. Step 3: Cross multiply
    901,609.78x = 1,352,912.67 × 502,475.45
  4. Step 4: Simplify right side
    901,609.78x = 679,805,400,977.81
  5. Step 5: Solve for x
    x = 679,805,400,977.81/901,609.78
  6. Step 6: Final answer
    x = 753,990.72

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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.