Home / 346,522.87-478,669.61-261,127.36

Finding the Fourth Proportional to 346,522.87, 478,669.61 and 261,127.36

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Solution

The fourth proportional to 346,522.87, 478,669.61 and 261,127.36 is: 360,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,522.87 : 478,669.61 = 261,127.36 : x
  2. Step 2: Convert to fraction form
    346,522.87/478,669.61 = 261,127.36/x
  3. Step 3: Cross multiply
    346,522.87x = 478,669.61 × 261,127.36
  4. Step 4: Simplify right side
    346,522.87x = 124,993,731,571.53
  5. Step 5: Solve for x
    x = 124,993,731,571.53/346,522.87
  6. Step 6: Final answer
    x = 360,708.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.