Home / 649,015.72-895,059.90-540,479.40

Finding the Fourth Proportional to 649,015.72, 895,059.90 and 540,479.40

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Solution

The fourth proportional to 649,015.72, 895,059.90 and 540,479.40 is: 745,377.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,015.72 : 895,059.90 = 540,479.40 : x
  2. Step 2: Convert to fraction form
    649,015.72/895,059.90 = 540,479.40/x
  3. Step 3: Cross multiply
    649,015.72x = 895,059.90 × 540,479.40
  4. Step 4: Simplify right side
    649,015.72x = 483,761,437,716.06
  5. Step 5: Solve for x
    x = 483,761,437,716.06/649,015.72
  6. Step 6: Final answer
    x = 745,377.07

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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.