Home / 456,417.20-683,313.60-403,929.20

Finding the Fourth Proportional to 456,417.20, 683,313.60 and 403,929.20

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Solution

The fourth proportional to 456,417.20, 683,313.60 and 403,929.20 is: 604,732.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,417.20 : 683,313.60 = 403,929.20 : x
  2. Step 2: Convert to fraction form
    456,417.20/683,313.60 = 403,929.20/x
  3. Step 3: Cross multiply
    456,417.20x = 683,313.60 × 403,929.20
  4. Step 4: Simplify right side
    456,417.20x = 276,010,315,797.12
  5. Step 5: Solve for x
    x = 276,010,315,797.12/456,417.20
  6. Step 6: Final answer
    x = 604,732.50

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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.