Home / 907,717.56-1,252,659.54-499,857.34

Finding the Fourth Proportional to 907,717.56, 1,252,659.54 and 499,857.34

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Solution

The fourth proportional to 907,717.56, 1,252,659.54 and 499,857.34 is: 689,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,717.56 : 1,252,659.54 = 499,857.34 : x
  2. Step 2: Convert to fraction form
    907,717.56/1,252,659.54 = 499,857.34/x
  3. Step 3: Cross multiply
    907,717.56x = 1,252,659.54 × 499,857.34
  4. Step 4: Simplify right side
    907,717.56x = 626,151,065,590.02
  5. Step 5: Solve for x
    x = 626,151,065,590.02/907,717.56
  6. Step 6: Final answer
    x = 689,808.25

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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.