Home / 935,335.20-1,403,415.90-455,296.80

Finding the Fourth Proportional to 935,335.20, 1,403,415.90 and 455,296.80

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Solution

The fourth proportional to 935,335.20, 1,403,415.90 and 455,296.80 is: 683,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,335.20 : 1,403,415.90 = 455,296.80 : x
  2. Step 2: Convert to fraction form
    935,335.20/1,403,415.90 = 455,296.80/x
  3. Step 3: Cross multiply
    935,335.20x = 1,403,415.90 × 455,296.80
  4. Step 4: Simplify right side
    935,335.20x = 638,970,768,339.12
  5. Step 5: Solve for x
    x = 638,970,768,339.12/935,335.20
  6. Step 6: Final answer
    x = 683,146.29

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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.