Home / 803,438.20-1,205,934.90-488,510.20

Finding the Fourth Proportional to 803,438.20, 1,205,934.90 and 488,510.20

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Solution

The fourth proportional to 803,438.20, 1,205,934.90 and 488,510.20 is: 733,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,438.20 : 1,205,934.90 = 488,510.20 : x
  2. Step 2: Convert to fraction form
    803,438.20/1,205,934.90 = 488,510.20/x
  3. Step 3: Cross multiply
    803,438.20x = 1,205,934.90 × 488,510.20
  4. Step 4: Simplify right side
    803,438.20x = 589,111,499,185.98
  5. Step 5: Solve for x
    x = 589,111,499,185.98/803,438.20
  6. Step 6: Final answer
    x = 733,238.10

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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.