Home / 603,637.20-905,455.80-463,669.20

Finding the Fourth Proportional to 603,637.20, 905,455.80 and 463,669.20

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Solution

The fourth proportional to 603,637.20, 905,455.80 and 463,669.20 is: 695,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,637.20 : 905,455.80 = 463,669.20 : x
  2. Step 2: Convert to fraction form
    603,637.20/905,455.80 = 463,669.20/x
  3. Step 3: Cross multiply
    603,637.20x = 905,455.80 × 463,669.20
  4. Step 4: Simplify right side
    603,637.20x = 419,831,966,421.36
  5. Step 5: Solve for x
    x = 419,831,966,421.36/603,637.20
  6. Step 6: Final answer
    x = 695,503.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.