Home / 939,287.55-1,408,927.85-340,108.58

Finding the Fourth Proportional to 939,287.55, 1,408,927.85 and 340,108.58

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Solution

The fourth proportional to 939,287.55, 1,408,927.85 and 340,108.58 is: 510,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,287.55 : 1,408,927.85 = 340,108.58 : x
  2. Step 2: Convert to fraction form
    939,287.55/1,408,927.85 = 340,108.58/x
  3. Step 3: Cross multiply
    939,287.55x = 1,408,927.85 × 340,108.58
  4. Step 4: Simplify right side
    939,287.55x = 479,188,443,341.31
  5. Step 5: Solve for x
    x = 479,188,443,341.31/939,287.55
  6. Step 6: Final answer
    x = 510,161.60

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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.