Home / 718,787.49-992,245.56-464,262.81

Finding the Fourth Proportional to 718,787.49, 992,245.56 and 464,262.81

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Solution

The fourth proportional to 718,787.49, 992,245.56 and 464,262.81 is: 640,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,787.49 : 992,245.56 = 464,262.81 : x
  2. Step 2: Convert to fraction form
    718,787.49/992,245.56 = 464,262.81/x
  3. Step 3: Cross multiply
    718,787.49x = 992,245.56 × 464,262.81
  4. Step 4: Simplify right side
    718,787.49x = 460,662,709,574.31
  5. Step 5: Solve for x
    x = 460,662,709,574.31/718,787.49
  6. Step 6: Final answer
    x = 640,888.60

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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.