Home / 837,215.42-1,254,378.76-458,408.79

Finding the Fourth Proportional to 837,215.42, 1,254,378.76 and 458,408.79

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Solution

The fourth proportional to 837,215.42, 1,254,378.76 and 458,408.79 is: 686,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,215.42 : 1,254,378.76 = 458,408.79 : x
  2. Step 2: Convert to fraction form
    837,215.42/1,254,378.76 = 458,408.79/x
  3. Step 3: Cross multiply
    837,215.42x = 1,254,378.76 × 458,408.79
  4. Step 4: Simplify right side
    837,215.42x = 575,018,248,427.28
  5. Step 5: Solve for x
    x = 575,018,248,427.28/837,215.42
  6. Step 6: Final answer
    x = 686,822.34

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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.