Home / 900,897.88-1,244,259.48-613,919.76

Finding the Fourth Proportional to 900,897.88, 1,244,259.48 and 613,919.76

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Solution

The fourth proportional to 900,897.88, 1,244,259.48 and 613,919.76 is: 847,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,897.88 : 1,244,259.48 = 613,919.76 : x
  2. Step 2: Convert to fraction form
    900,897.88/1,244,259.48 = 613,919.76/x
  3. Step 3: Cross multiply
    900,897.88x = 1,244,259.48 × 613,919.76
  4. Step 4: Simplify right side
    900,897.88x = 763,875,481,339.33
  5. Step 5: Solve for x
    x = 763,875,481,339.33/900,897.88
  6. Step 6: Final answer
    x = 847,904.63

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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.