Home / 899,177.84-1,349,432.18-425,864.33

Finding the Fourth Proportional to 899,177.84, 1,349,432.18 and 425,864.33

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Solution

The fourth proportional to 899,177.84, 1,349,432.18 and 425,864.33 is: 639,111.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,177.84 : 1,349,432.18 = 425,864.33 : x
  2. Step 2: Convert to fraction form
    899,177.84/1,349,432.18 = 425,864.33/x
  3. Step 3: Cross multiply
    899,177.84x = 1,349,432.18 × 425,864.33
  4. Step 4: Simplify right side
    899,177.84x = 574,675,029,086.82
  5. Step 5: Solve for x
    x = 574,675,029,086.82/899,177.84
  6. Step 6: Final answer
    x = 639,111.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.