Home / 959,168.61-1,438,441.41-319,300.47

Finding the Fourth Proportional to 959,168.61, 1,438,441.41 and 319,300.47

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Solution

The fourth proportional to 959,168.61, 1,438,441.41 and 319,300.47 is: 478,847.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,168.61 : 1,438,441.41 = 319,300.47 : x
  2. Step 2: Convert to fraction form
    959,168.61/1,438,441.41 = 319,300.47/x
  3. Step 3: Cross multiply
    959,168.61x = 1,438,441.41 × 319,300.47
  4. Step 4: Simplify right side
    959,168.61x = 459,295,018,280.46
  5. Step 5: Solve for x
    x = 459,295,018,280.46/959,168.61
  6. Step 6: Final answer
    x = 478,847.01

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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.