Home / 907,937.56-1,252,913.40-520,475.20

Finding the Fourth Proportional to 907,937.56, 1,252,913.40 and 520,475.20

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Solution

The fourth proportional to 907,937.56, 1,252,913.40 and 520,475.20 is: 718,232.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,937.56 : 1,252,913.40 = 520,475.20 : x
  2. Step 2: Convert to fraction form
    907,937.56/1,252,913.40 = 520,475.20/x
  3. Step 3: Cross multiply
    907,937.56x = 1,252,913.40 × 520,475.20
  4. Step 4: Simplify right side
    907,937.56x = 652,110,346,183.11
  5. Step 5: Solve for x
    x = 652,110,346,183.11/907,937.56
  6. Step 6: Final answer
    x = 718,232.59

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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.