Home / 439,860.96-607,282.92-302,276.88

Finding the Fourth Proportional to 439,860.96, 607,282.92 and 302,276.88

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Solution

The fourth proportional to 439,860.96, 607,282.92 and 302,276.88 is: 417,330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,860.96 : 607,282.92 = 302,276.88 : x
  2. Step 2: Convert to fraction form
    439,860.96/607,282.92 = 302,276.88/x
  3. Step 3: Cross multiply
    439,860.96x = 607,282.92 × 302,276.88
  4. Step 4: Simplify right side
    439,860.96x = 183,567,586,334.89
  5. Step 5: Solve for x
    x = 183,567,586,334.89/439,860.96
  6. Step 6: Final answer
    x = 417,330.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.