Home / 649,127.50-895,919.72-427,976.48

Finding the Fourth Proportional to 649,127.50, 895,919.72 and 427,976.48

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Solution

The fourth proportional to 649,127.50, 895,919.72 and 427,976.48 is: 590,689.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,127.50 : 895,919.72 = 427,976.48 : x
  2. Step 2: Convert to fraction form
    649,127.50/895,919.72 = 427,976.48/x
  3. Step 3: Cross multiply
    649,127.50x = 895,919.72 × 427,976.48
  4. Step 4: Simplify right side
    649,127.50x = 383,432,565,595.92
  5. Step 5: Solve for x
    x = 383,432,565,595.92/649,127.50
  6. Step 6: Final answer
    x = 590,689.14

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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.