Home / 935,333.20-1,403,412.90-455,294.80

Finding the Fourth Proportional to 935,333.20, 1,403,412.90 and 455,294.80

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Solution

The fourth proportional to 935,333.20, 1,403,412.90 and 455,294.80 is: 683,143.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,333.20 : 1,403,412.90 = 455,294.80 : x
  2. Step 2: Convert to fraction form
    935,333.20/1,403,412.90 = 455,294.80/x
  3. Step 3: Cross multiply
    935,333.20x = 1,403,412.90 × 455,294.80
  4. Step 4: Simplify right side
    935,333.20x = 638,966,595,622.92
  5. Step 5: Solve for x
    x = 638,966,595,622.92/935,333.20
  6. Step 6: Final answer
    x = 683,143.29

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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.