Home / 754,827.32-1,040,534.70-499,735.64

Finding the Fourth Proportional to 754,827.32, 1,040,534.70 and 499,735.64

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Solution

The fourth proportional to 754,827.32, 1,040,534.70 and 499,735.64 is: 688,889.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,827.32 : 1,040,534.70 = 499,735.64 : x
  2. Step 2: Convert to fraction form
    754,827.32/1,040,534.70 = 499,735.64/x
  3. Step 3: Cross multiply
    754,827.32x = 1,040,534.70 × 499,735.64
  4. Step 4: Simplify right side
    754,827.32x = 519,992,274,246.71
  5. Step 5: Solve for x
    x = 519,992,274,246.71/754,827.32
  6. Step 6: Final answer
    x = 688,889.05

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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.