Home / 649,448.22-896,199.93-359,042.40

Finding the Fourth Proportional to 649,448.22, 896,199.93 and 359,042.40

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Solution

The fourth proportional to 649,448.22, 896,199.93 and 359,042.40 is: 495,457.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,448.22 : 896,199.93 = 359,042.40 : x
  2. Step 2: Convert to fraction form
    649,448.22/896,199.93 = 359,042.40/x
  3. Step 3: Cross multiply
    649,448.22x = 896,199.93 × 359,042.40
  4. Step 4: Simplify right side
    649,448.22x = 321,773,773,747.03
  5. Step 5: Solve for x
    x = 321,773,773,747.03/649,448.22
  6. Step 6: Final answer
    x = 495,457.16

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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.