Home / 871,376.98-1,307,066.50-272,341.28

Finding the Fourth Proportional to 871,376.98, 1,307,066.50 and 272,341.28

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Solution

The fourth proportional to 871,376.98, 1,307,066.50 and 272,341.28 is: 408,512.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,376.98 : 1,307,066.50 = 272,341.28 : x
  2. Step 2: Convert to fraction form
    871,376.98/1,307,066.50 = 272,341.28/x
  3. Step 3: Cross multiply
    871,376.98x = 1,307,066.50 × 272,341.28
  4. Step 4: Simplify right side
    871,376.98x = 355,968,163,655.12
  5. Step 5: Solve for x
    x = 355,968,163,655.12/871,376.98
  6. Step 6: Final answer
    x = 408,512.24

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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.