Home / 603,973.10-904,866.15-478,439.30

Finding the Fourth Proportional to 603,973.10, 904,866.15 and 478,439.30

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Solution

The fourth proportional to 603,973.10, 904,866.15 and 478,439.30 is: 716,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,973.10 : 904,866.15 = 478,439.30 : x
  2. Step 2: Convert to fraction form
    603,973.10/904,866.15 = 478,439.30/x
  3. Step 3: Cross multiply
    603,973.10x = 904,866.15 × 478,439.30
  4. Step 4: Simplify right side
    603,973.10x = 432,923,527,399.70
  5. Step 5: Solve for x
    x = 432,923,527,399.70/603,973.10
  6. Step 6: Final answer
    x = 716,792.73

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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.