Home / 839,451.99-1,158,409.95-457,470.57

Finding the Fourth Proportional to 839,451.99, 1,158,409.95 and 457,470.57

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Solution

The fourth proportional to 839,451.99, 1,158,409.95 and 457,470.57 is: 631,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,451.99 : 1,158,409.95 = 457,470.57 : x
  2. Step 2: Convert to fraction form
    839,451.99/1,158,409.95 = 457,470.57/x
  3. Step 3: Cross multiply
    839,451.99x = 1,158,409.95 × 457,470.57
  4. Step 4: Simplify right side
    839,451.99x = 529,938,460,120.17
  5. Step 5: Solve for x
    x = 529,938,460,120.17/839,451.99
  6. Step 6: Final answer
    x = 631,290.97

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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.