Home / 649,217.28-895,966.20-358,822.62

Finding the Fourth Proportional to 649,217.28, 895,966.20 and 358,822.62

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Solution

The fourth proportional to 649,217.28, 895,966.20 and 358,822.62 is: 495,200.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,217.28 : 895,966.20 = 358,822.62 : x
  2. Step 2: Convert to fraction form
    649,217.28/895,966.20 = 358,822.62/x
  3. Step 3: Cross multiply
    649,217.28x = 895,966.20 × 358,822.62
  4. Step 4: Simplify right side
    649,217.28x = 321,492,939,315.44
  5. Step 5: Solve for x
    x = 321,492,939,315.44/649,217.28
  6. Step 6: Final answer
    x = 495,200.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.