Home / 851,804.81-1,175,494.31-464,628.55

Finding the Fourth Proportional to 851,804.81, 1,175,494.31 and 464,628.55

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Solution

The fourth proportional to 851,804.81, 1,175,494.31 and 464,628.55 is: 641,189.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,804.81 : 1,175,494.31 = 464,628.55 : x
  2. Step 2: Convert to fraction form
    851,804.81/1,175,494.31 = 464,628.55/x
  3. Step 3: Cross multiply
    851,804.81x = 1,175,494.31 × 464,628.55
  4. Step 4: Simplify right side
    851,804.81x = 546,168,216,606.74
  5. Step 5: Solve for x
    x = 546,168,216,606.74/851,804.81
  6. Step 6: Final answer
    x = 641,189.41

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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.