Home / 889,000.40-1,332,334.20-356,085.20

Finding the Fourth Proportional to 889,000.40, 1,332,334.20 and 356,085.20

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Solution

The fourth proportional to 889,000.40, 1,332,334.20 and 356,085.20 is: 533,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,000.40 : 1,332,334.20 = 356,085.20 : x
  2. Step 2: Convert to fraction form
    889,000.40/1,332,334.20 = 356,085.20/x
  3. Step 3: Cross multiply
    889,000.40x = 1,332,334.20 × 356,085.20
  4. Step 4: Simplify right side
    889,000.40x = 474,424,490,073.84
  5. Step 5: Solve for x
    x = 474,424,490,073.84/889,000.40
  6. Step 6: Final answer
    x = 533,660.60

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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.