Home / 907,704.84-1,252,622.40-499,798.20

Finding the Fourth Proportional to 907,704.84, 1,252,622.40 and 499,798.20

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Solution

The fourth proportional to 907,704.84, 1,252,622.40 and 499,798.20 is: 689,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,704.84 : 1,252,622.40 = 499,798.20 : x
  2. Step 2: Convert to fraction form
    907,704.84/1,252,622.40 = 499,798.20/x
  3. Step 3: Cross multiply
    907,704.84x = 1,252,622.40 × 499,798.20
  4. Step 4: Simplify right side
    907,704.84x = 626,058,420,799.68
  5. Step 5: Solve for x
    x = 626,058,420,799.68/907,704.84
  6. Step 6: Final answer
    x = 689,715.86

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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.