Home / 907,858.56-1,252,822.08-499,957.20

Finding the Fourth Proportional to 907,858.56, 1,252,822.08 and 499,957.20

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Solution

The fourth proportional to 907,858.56, 1,252,822.08 and 499,957.20 is: 689,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,858.56 : 1,252,822.08 = 499,957.20 : x
  2. Step 2: Convert to fraction form
    907,858.56/1,252,822.08 = 499,957.20/x
  3. Step 3: Cross multiply
    907,858.56x = 1,252,822.08 × 499,957.20
  4. Step 4: Simplify right side
    907,858.56x = 626,357,419,214.98
  5. Step 5: Solve for x
    x = 626,357,419,214.98/907,858.56
  6. Step 6: Final answer
    x = 689,928.42

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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.