Home / 649,332.60-895,498.79-407,637.65

Finding the Fourth Proportional to 649,332.60, 895,498.79 and 407,637.65

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Solution

The fourth proportional to 649,332.60, 895,498.79 and 407,637.65 is: 562,175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,332.60 : 895,498.79 = 407,637.65 : x
  2. Step 2: Convert to fraction form
    649,332.60/895,498.79 = 407,637.65/x
  3. Step 3: Cross multiply
    649,332.60x = 895,498.79 × 407,637.65
  4. Step 4: Simplify right side
    649,332.60x = 365,039,015,817.76
  5. Step 5: Solve for x
    x = 365,039,015,817.76/649,332.60
  6. Step 6: Final answer
    x = 562,175.71

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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.