Home / 761,012.66-1,050,194.85-438,721.22

Finding the Fourth Proportional to 761,012.66, 1,050,194.85 and 438,721.22

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Solution

The fourth proportional to 761,012.66, 1,050,194.85 and 438,721.22 is: 605,433.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,012.66 : 1,050,194.85 = 438,721.22 : x
  2. Step 2: Convert to fraction form
    761,012.66/1,050,194.85 = 438,721.22/x
  3. Step 3: Cross multiply
    761,012.66x = 1,050,194.85 × 438,721.22
  4. Step 4: Simplify right side
    761,012.66x = 460,742,765,829.72
  5. Step 5: Solve for x
    x = 460,742,765,829.72/761,012.66
  6. Step 6: Final answer
    x = 605,433.77

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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.