Home / 928,763.52-1,392,908.28-288,942.24

Finding the Fourth Proportional to 928,763.52, 1,392,908.28 and 288,942.24

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Solution

The fourth proportional to 928,763.52, 1,392,908.28 and 288,942.24 is: 433,339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,763.52 : 1,392,908.28 = 288,942.24 : x
  2. Step 2: Convert to fraction form
    928,763.52/1,392,908.28 = 288,942.24/x
  3. Step 3: Cross multiply
    928,763.52x = 1,392,908.28 × 288,942.24
  4. Step 4: Simplify right side
    928,763.52x = 402,470,038,537.75
  5. Step 5: Solve for x
    x = 402,470,038,537.75/928,763.52
  6. Step 6: Final answer
    x = 433,339.63

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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.