Home / 744,004.48-1,026,806.34-421,679.92

Finding the Fourth Proportional to 744,004.48, 1,026,806.34 and 421,679.92

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Solution

The fourth proportional to 744,004.48, 1,026,806.34 and 421,679.92 is: 581,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,004.48 : 1,026,806.34 = 421,679.92 : x
  2. Step 2: Convert to fraction form
    744,004.48/1,026,806.34 = 421,679.92/x
  3. Step 3: Cross multiply
    744,004.48x = 1,026,806.34 × 421,679.92
  4. Step 4: Simplify right side
    744,004.48x = 432,983,615,306.69
  5. Step 5: Solve for x
    x = 432,983,615,306.69/744,004.48
  6. Step 6: Final answer
    x = 581,963.72

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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.