Home / 890,330.94-1,228,679.55-546,356.88

Finding the Fourth Proportional to 890,330.94, 1,228,679.55 and 546,356.88

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Solution

The fourth proportional to 890,330.94, 1,228,679.55 and 546,356.88 is: 753,986.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,330.94 : 1,228,679.55 = 546,356.88 : x
  2. Step 2: Convert to fraction form
    890,330.94/1,228,679.55 = 546,356.88/x
  3. Step 3: Cross multiply
    890,330.94x = 1,228,679.55 × 546,356.88
  4. Step 4: Simplify right side
    890,330.94x = 671,297,525,457.80
  5. Step 5: Solve for x
    x = 671,297,525,457.80/890,330.94
  6. Step 6: Final answer
    x = 753,986.52

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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.