Home / 754,276.80-1,131,415.20-586,315.20

Finding the Fourth Proportional to 754,276.80, 1,131,415.20 and 586,315.20

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Solution

The fourth proportional to 754,276.80, 1,131,415.20 and 586,315.20 is: 879,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,276.80 : 1,131,415.20 = 586,315.20 : x
  2. Step 2: Convert to fraction form
    754,276.80/1,131,415.20 = 586,315.20/x
  3. Step 3: Cross multiply
    754,276.80x = 1,131,415.20 × 586,315.20
  4. Step 4: Simplify right side
    754,276.80x = 663,365,929,271.04
  5. Step 5: Solve for x
    x = 663,365,929,271.04/754,276.80
  6. Step 6: Final answer
    x = 879,472.80

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Double scale
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Similar ratio
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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.