Home / 608,831.74-839,500.25-455,378.16

Finding the Fourth Proportional to 608,831.74, 839,500.25 and 455,378.16

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Solution

The fourth proportional to 608,831.74, 839,500.25 and 455,378.16 is: 627,907.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,831.74 : 839,500.25 = 455,378.16 : x
  2. Step 2: Convert to fraction form
    608,831.74/839,500.25 = 455,378.16/x
  3. Step 3: Cross multiply
    608,831.74x = 839,500.25 × 455,378.16
  4. Step 4: Simplify right side
    608,831.74x = 382,290,075,513.99
  5. Step 5: Solve for x
    x = 382,290,075,513.99/608,831.74
  6. Step 6: Final answer
    x = 627,907.59

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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.