Home / 992,795.78-1,489,341.30-460,370.63

Finding the Fourth Proportional to 992,795.78, 1,489,341.30 and 460,370.63

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Solution

The fourth proportional to 992,795.78, 1,489,341.30 and 460,370.63 is: 690,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,795.78 : 1,489,341.30 = 460,370.63 : x
  2. Step 2: Convert to fraction form
    992,795.78/1,489,341.30 = 460,370.63/x
  3. Step 3: Cross multiply
    992,795.78x = 1,489,341.30 × 460,370.63
  4. Step 4: Simplify right side
    992,795.78x = 685,648,994,562.98
  5. Step 5: Solve for x
    x = 685,648,994,562.98/992,795.78
  6. Step 6: Final answer
    x = 690,624.40

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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.