Home / 864,892.86-1,297,463.32-265,904.30

Finding the Fourth Proportional to 864,892.86, 1,297,463.32 and 265,904.30

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Solution

The fourth proportional to 864,892.86, 1,297,463.32 and 265,904.30 is: 398,894.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,892.86 : 1,297,463.32 = 265,904.30 : x
  2. Step 2: Convert to fraction form
    864,892.86/1,297,463.32 = 265,904.30/x
  3. Step 3: Cross multiply
    864,892.86x = 1,297,463.32 × 265,904.30
  4. Step 4: Simplify right side
    864,892.86x = 345,001,075,880.28
  5. Step 5: Solve for x
    x = 345,001,075,880.28/864,892.86
  6. Step 6: Final answer
    x = 398,894.58

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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.