Home / 907,514.80-1,252,350.72-499,601.03

Finding the Fourth Proportional to 907,514.80, 1,252,350.72 and 499,601.03

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Solution

The fourth proportional to 907,514.80, 1,252,350.72 and 499,601.03 is: 689,438.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,514.80 : 1,252,350.72 = 499,601.03 : x
  2. Step 2: Convert to fraction form
    907,514.80/1,252,350.72 = 499,601.03/x
  3. Step 3: Cross multiply
    907,514.80x = 1,252,350.72 × 499,601.03
  4. Step 4: Simplify right side
    907,514.80x = 625,675,710,415.96
  5. Step 5: Solve for x
    x = 625,675,710,415.96/907,514.80
  6. Step 6: Final answer
    x = 689,438.57

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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.