Home / 649,580.32-896,402.13-359,186.80

Finding the Fourth Proportional to 649,580.32, 896,402.13 and 359,186.80

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Solution

The fourth proportional to 649,580.32, 896,402.13 and 359,186.80 is: 495,667.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,580.32 : 896,402.13 = 359,186.80 : x
  2. Step 2: Convert to fraction form
    649,580.32/896,402.13 = 359,186.80/x
  3. Step 3: Cross multiply
    649,580.32x = 896,402.13 × 359,186.80
  4. Step 4: Simplify right side
    649,580.32x = 321,975,812,587.88
  5. Step 5: Solve for x
    x = 321,975,812,587.88/649,580.32
  6. Step 6: Final answer
    x = 495,667.44

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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.