Home / 759,824.80-1,139,737.20-316,535.20

Finding the Fourth Proportional to 759,824.80, 1,139,737.20 and 316,535.20

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Solution

The fourth proportional to 759,824.80, 1,139,737.20 and 316,535.20 is: 474,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,824.80 : 1,139,737.20 = 316,535.20 : x
  2. Step 2: Convert to fraction form
    759,824.80/1,139,737.20 = 316,535.20/x
  3. Step 3: Cross multiply
    759,824.80x = 1,139,737.20 × 316,535.20
  4. Step 4: Simplify right side
    759,824.80x = 360,766,942,549.44
  5. Step 5: Solve for x
    x = 360,766,942,549.44/759,824.80
  6. Step 6: Final answer
    x = 474,802.80

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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.