Home / 930,430.80-1,395,646.20-299,408.40

Finding the Fourth Proportional to 930,430.80, 1,395,646.20 and 299,408.40

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Solution

The fourth proportional to 930,430.80, 1,395,646.20 and 299,408.40 is: 449,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,430.80 : 1,395,646.20 = 299,408.40 : x
  2. Step 2: Convert to fraction form
    930,430.80/1,395,646.20 = 299,408.40/x
  3. Step 3: Cross multiply
    930,430.80x = 1,395,646.20 × 299,408.40
  4. Step 4: Simplify right side
    930,430.80x = 417,868,195,708.08
  5. Step 5: Solve for x
    x = 417,868,195,708.08/930,430.80
  6. Step 6: Final answer
    x = 449,112.60

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Similar ratio
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1.5x scale

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.