Home / 901,152.03-1,243,593.78-487,688.87

Finding the Fourth Proportional to 901,152.03, 1,243,593.78 and 487,688.87

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Solution

The fourth proportional to 901,152.03, 1,243,593.78 and 487,688.87 is: 673,012.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,152.03 : 1,243,593.78 = 487,688.87 : x
  2. Step 2: Convert to fraction form
    901,152.03/1,243,593.78 = 487,688.87/x
  3. Step 3: Cross multiply
    901,152.03x = 1,243,593.78 × 487,688.87
  4. Step 4: Simplify right side
    901,152.03x = 606,486,839,089.26
  5. Step 5: Solve for x
    x = 606,486,839,089.26/901,152.03
  6. Step 6: Final answer
    x = 673,012.79

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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.