Home / 907,708.08-1,252,637.28-499,811.52

Finding the Fourth Proportional to 907,708.08, 1,252,637.28 and 499,811.52

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Solution

The fourth proportional to 907,708.08, 1,252,637.28 and 499,811.52 is: 689,739.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,708.08 : 1,252,637.28 = 499,811.52 : x
  2. Step 2: Convert to fraction form
    907,708.08/1,252,637.28 = 499,811.52/x
  3. Step 3: Cross multiply
    907,708.08x = 1,252,637.28 × 499,811.52
  4. Step 4: Simplify right side
    907,708.08x = 626,082,542,925.47
  5. Step 5: Solve for x
    x = 626,082,542,925.47/907,708.08
  6. Step 6: Final answer
    x = 689,739.97

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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.