Home / 725,423.03-1,000,028.71-506,953.43

Finding the Fourth Proportional to 725,423.03, 1,000,028.71 and 506,953.43

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Solution

The fourth proportional to 725,423.03, 1,000,028.71 and 506,953.43 is: 698,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,423.03 : 1,000,028.71 = 506,953.43 : x
  2. Step 2: Convert to fraction form
    725,423.03/1,000,028.71 = 506,953.43/x
  3. Step 3: Cross multiply
    725,423.03x = 1,000,028.71 × 506,953.43
  4. Step 4: Simplify right side
    725,423.03x = 506,967,978,365.45
  5. Step 5: Solve for x
    x = 506,967,978,365.45/725,423.03
  6. Step 6: Final answer
    x = 698,858.40

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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.